diff --git a/src/main/java/me/despical/kotl/ConfigPreferences.java b/src/main/java/me/despical/kotl/ConfigPreferences.java
index 3860d61..56ab7c6 100644
--- a/src/main/java/me/despical/kotl/ConfigPreferences.java
+++ b/src/main/java/me/despical/kotl/ConfigPreferences.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl;
diff --git a/src/main/java/me/despical/kotl/Main.java b/src/main/java/me/despical/kotl/Main.java
index ad53524..d3f1429 100644
--- a/src/main/java/me/despical/kotl/Main.java
+++ b/src/main/java/me/despical/kotl/Main.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl;
diff --git a/src/main/java/me/despical/kotl/api/StatsStorage.java b/src/main/java/me/despical/kotl/api/StatsStorage.java
index 01adae5..2020f96 100644
--- a/src/main/java/me/despical/kotl/api/StatsStorage.java
+++ b/src/main/java/me/despical/kotl/api/StatsStorage.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.api;
diff --git a/src/main/java/me/despical/kotl/api/events/KOTLEvent.java b/src/main/java/me/despical/kotl/api/events/KOTLEvent.java
index c87abf0..2675ca5 100644
--- a/src/main/java/me/despical/kotl/api/events/KOTLEvent.java
+++ b/src/main/java/me/despical/kotl/api/events/KOTLEvent.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.api.events;
diff --git a/src/main/java/me/despical/kotl/api/events/player/KOTLPlayerEnterArenaEvent.java b/src/main/java/me/despical/kotl/api/events/player/KOTLPlayerEnterArenaEvent.java
index dd2a8be..fa44bdb 100644
--- a/src/main/java/me/despical/kotl/api/events/player/KOTLPlayerEnterArenaEvent.java
+++ b/src/main/java/me/despical/kotl/api/events/player/KOTLPlayerEnterArenaEvent.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.api.events.player;
diff --git a/src/main/java/me/despical/kotl/api/events/player/KOTLPlayerLeaveArenaEvent.java b/src/main/java/me/despical/kotl/api/events/player/KOTLPlayerLeaveArenaEvent.java
index 02b51b5..4243e01 100644
--- a/src/main/java/me/despical/kotl/api/events/player/KOTLPlayerLeaveArenaEvent.java
+++ b/src/main/java/me/despical/kotl/api/events/player/KOTLPlayerLeaveArenaEvent.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.api.events.player;
diff --git a/src/main/java/me/despical/kotl/api/events/player/KOTLPlayerStatisticChangeEvent.java b/src/main/java/me/despical/kotl/api/events/player/KOTLPlayerStatisticChangeEvent.java
index 0fbd76d..cb521f9 100644
--- a/src/main/java/me/despical/kotl/api/events/player/KOTLPlayerStatisticChangeEvent.java
+++ b/src/main/java/me/despical/kotl/api/events/player/KOTLPlayerStatisticChangeEvent.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.api.events.player;
diff --git a/src/main/java/me/despical/kotl/arena/Arena.java b/src/main/java/me/despical/kotl/arena/Arena.java
index a983624..1da8f0c 100644
--- a/src/main/java/me/despical/kotl/arena/Arena.java
+++ b/src/main/java/me/despical/kotl/arena/Arena.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.arena;
diff --git a/src/main/java/me/despical/kotl/arena/ArenaRegistry.java b/src/main/java/me/despical/kotl/arena/ArenaRegistry.java
index 4d3d2f7..bf915cd 100644
--- a/src/main/java/me/despical/kotl/arena/ArenaRegistry.java
+++ b/src/main/java/me/despical/kotl/arena/ArenaRegistry.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.arena;
diff --git a/src/main/java/me/despical/kotl/arena/managers/ArenaManager.java b/src/main/java/me/despical/kotl/arena/managers/ArenaManager.java
index 0914419..1b8f96a 100644
--- a/src/main/java/me/despical/kotl/arena/managers/ArenaManager.java
+++ b/src/main/java/me/despical/kotl/arena/managers/ArenaManager.java
@@ -1,3 +1,21 @@
+/*
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package me.despical.kotl.arena.managers;
 
 import me.despical.kotl.Main;
diff --git a/src/main/java/me/despical/kotl/arena/managers/BossBarManager.java b/src/main/java/me/despical/kotl/arena/managers/BossBarManager.java
index ff78813..9357ceb 100644
--- a/src/main/java/me/despical/kotl/arena/managers/BossBarManager.java
+++ b/src/main/java/me/despical/kotl/arena/managers/BossBarManager.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.arena.managers;
diff --git a/src/main/java/me/despical/kotl/arena/managers/ScoreboardManager.java b/src/main/java/me/despical/kotl/arena/managers/ScoreboardManager.java
index 851b8d8..20a859a 100644
--- a/src/main/java/me/despical/kotl/arena/managers/ScoreboardManager.java
+++ b/src/main/java/me/despical/kotl/arena/managers/ScoreboardManager.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.arena.managers;
diff --git a/src/main/java/me/despical/kotl/commands/AbstractCommand.java b/src/main/java/me/despical/kotl/commands/AbstractCommand.java
index d3867b6..b4d6f10 100644
--- a/src/main/java/me/despical/kotl/commands/AbstractCommand.java
+++ b/src/main/java/me/despical/kotl/commands/AbstractCommand.java
@@ -1,3 +1,21 @@
+/*
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package me.despical.kotl.commands;
 
 import me.despical.kotl.Main;
diff --git a/src/main/java/me/despical/kotl/commands/AdminCommands.java b/src/main/java/me/despical/kotl/commands/AdminCommands.java
index 1b975a5..05f29b4 100644
--- a/src/main/java/me/despical/kotl/commands/AdminCommands.java
+++ b/src/main/java/me/despical/kotl/commands/AdminCommands.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.commands;
diff --git a/src/main/java/me/despical/kotl/commands/PlayerCommands.java b/src/main/java/me/despical/kotl/commands/PlayerCommands.java
index b4794ec..1111754 100644
--- a/src/main/java/me/despical/kotl/commands/PlayerCommands.java
+++ b/src/main/java/me/despical/kotl/commands/PlayerCommands.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.commands;
diff --git a/src/main/java/me/despical/kotl/events/ArenaEvents.java b/src/main/java/me/despical/kotl/events/ArenaEvents.java
index bc9ca87..bade036 100644
--- a/src/main/java/me/despical/kotl/events/ArenaEvents.java
+++ b/src/main/java/me/despical/kotl/events/ArenaEvents.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.events;
diff --git a/src/main/java/me/despical/kotl/events/Events.java b/src/main/java/me/despical/kotl/events/Events.java
index bbea3fe..a5c89a3 100644
--- a/src/main/java/me/despical/kotl/events/Events.java
+++ b/src/main/java/me/despical/kotl/events/Events.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.events;
diff --git a/src/main/java/me/despical/kotl/events/ListenerAdapter.java b/src/main/java/me/despical/kotl/events/ListenerAdapter.java
index 43b8a11..13905f6 100644
--- a/src/main/java/me/despical/kotl/events/ListenerAdapter.java
+++ b/src/main/java/me/despical/kotl/events/ListenerAdapter.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.events;
diff --git a/src/main/java/me/despical/kotl/handlers/ChatManager.java b/src/main/java/me/despical/kotl/handlers/ChatManager.java
index d2e758b..ca5b4e1 100644
--- a/src/main/java/me/despical/kotl/handlers/ChatManager.java
+++ b/src/main/java/me/despical/kotl/handlers/ChatManager.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.handlers;
diff --git a/src/main/java/me/despical/kotl/handlers/PlaceholderManager.java b/src/main/java/me/despical/kotl/handlers/PlaceholderManager.java
index f62be57..31074d9 100644
--- a/src/main/java/me/despical/kotl/handlers/PlaceholderManager.java
+++ b/src/main/java/me/despical/kotl/handlers/PlaceholderManager.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.handlers;
diff --git a/src/main/java/me/despical/kotl/handlers/language/LanguageManager.java b/src/main/java/me/despical/kotl/handlers/language/LanguageManager.java
index a5bde82..76842a0 100644
--- a/src/main/java/me/despical/kotl/handlers/language/LanguageManager.java
+++ b/src/main/java/me/despical/kotl/handlers/language/LanguageManager.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.handlers.language;
diff --git a/src/main/java/me/despical/kotl/handlers/language/LocaleRegistry.java b/src/main/java/me/despical/kotl/handlers/language/LocaleRegistry.java
index 98d7ae1..72f3f6a 100644
--- a/src/main/java/me/despical/kotl/handlers/language/LocaleRegistry.java
+++ b/src/main/java/me/despical/kotl/handlers/language/LocaleRegistry.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.handlers.language;
diff --git a/src/main/java/me/despical/kotl/handlers/rewards/Reward.java b/src/main/java/me/despical/kotl/handlers/rewards/Reward.java
index ce73693..9875638 100644
--- a/src/main/java/me/despical/kotl/handlers/rewards/Reward.java
+++ b/src/main/java/me/despical/kotl/handlers/rewards/Reward.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.handlers.rewards;
diff --git a/src/main/java/me/despical/kotl/handlers/rewards/RewardsFactory.java b/src/main/java/me/despical/kotl/handlers/rewards/RewardsFactory.java
index 15f15bc..7d5c996 100644
--- a/src/main/java/me/despical/kotl/handlers/rewards/RewardsFactory.java
+++ b/src/main/java/me/despical/kotl/handlers/rewards/RewardsFactory.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.handlers.rewards;
diff --git a/src/main/java/me/despical/kotl/handlers/setup/SetupInventory.java b/src/main/java/me/despical/kotl/handlers/setup/SetupInventory.java
index f133b51..f500f0a 100644
--- a/src/main/java/me/despical/kotl/handlers/setup/SetupInventory.java
+++ b/src/main/java/me/despical/kotl/handlers/setup/SetupInventory.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.handlers.setup;
diff --git a/src/main/java/me/despical/kotl/handlers/setup/components/ArenaOptionComponents.java b/src/main/java/me/despical/kotl/handlers/setup/components/ArenaOptionComponents.java
index db77ef2..84122eb 100644
--- a/src/main/java/me/despical/kotl/handlers/setup/components/ArenaOptionComponents.java
+++ b/src/main/java/me/despical/kotl/handlers/setup/components/ArenaOptionComponents.java
@@ -1,3 +1,21 @@
+/*
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package me.despical.kotl.handlers.setup.components;
 
 import me.despical.commons.compat.XMaterial;
diff --git a/src/main/java/me/despical/kotl/handlers/setup/components/MainMenuComponents.java b/src/main/java/me/despical/kotl/handlers/setup/components/MainMenuComponents.java
index 70119bd..e1cf12f 100644
--- a/src/main/java/me/despical/kotl/handlers/setup/components/MainMenuComponents.java
+++ b/src/main/java/me/despical/kotl/handlers/setup/components/MainMenuComponents.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.handlers.setup.components;
diff --git a/src/main/java/me/despical/kotl/handlers/setup/components/PressurePlateComponents.java b/src/main/java/me/despical/kotl/handlers/setup/components/PressurePlateComponents.java
index a72a00c..cdd73ab 100644
--- a/src/main/java/me/despical/kotl/handlers/setup/components/PressurePlateComponents.java
+++ b/src/main/java/me/despical/kotl/handlers/setup/components/PressurePlateComponents.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.handlers.setup.components;
diff --git a/src/main/java/me/despical/kotl/kits/Kit.java b/src/main/java/me/despical/kotl/kits/Kit.java
index 76f8d8b..bb8beed 100644
--- a/src/main/java/me/despical/kotl/kits/Kit.java
+++ b/src/main/java/me/despical/kotl/kits/Kit.java
@@ -1,3 +1,21 @@
+/*
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package me.despical.kotl.kits;
 
 import me.despical.commons.compat.XMaterial;
diff --git a/src/main/java/me/despical/kotl/kits/KitManager.java b/src/main/java/me/despical/kotl/kits/KitManager.java
index d4dec2d..18b5897 100644
--- a/src/main/java/me/despical/kotl/kits/KitManager.java
+++ b/src/main/java/me/despical/kotl/kits/KitManager.java
@@ -1,3 +1,21 @@
+/*
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package me.despical.kotl.kits;
 
 import me.despical.commons.configuration.ConfigUtils;
diff --git a/src/main/java/me/despical/kotl/user/User.java b/src/main/java/me/despical/kotl/user/User.java
index 5a40c79..04514b7 100644
--- a/src/main/java/me/despical/kotl/user/User.java
+++ b/src/main/java/me/despical/kotl/user/User.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.user;
diff --git a/src/main/java/me/despical/kotl/user/UserManager.java b/src/main/java/me/despical/kotl/user/UserManager.java
index 265cf35..7db5eda 100644
--- a/src/main/java/me/despical/kotl/user/UserManager.java
+++ b/src/main/java/me/despical/kotl/user/UserManager.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.user;
diff --git a/src/main/java/me/despical/kotl/user/data/FileStats.java b/src/main/java/me/despical/kotl/user/data/FileStats.java
index 2bc7b20..1b83f3c 100644
--- a/src/main/java/me/despical/kotl/user/data/FileStats.java
+++ b/src/main/java/me/despical/kotl/user/data/FileStats.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.user.data;
diff --git a/src/main/java/me/despical/kotl/user/data/IUserDatabase.java b/src/main/java/me/despical/kotl/user/data/IUserDatabase.java
index 61b904c..8013e15 100644
--- a/src/main/java/me/despical/kotl/user/data/IUserDatabase.java
+++ b/src/main/java/me/despical/kotl/user/data/IUserDatabase.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.user.data;
diff --git a/src/main/java/me/despical/kotl/user/data/MysqlManager.java b/src/main/java/me/despical/kotl/user/data/MysqlManager.java
index ec7e405..d4dd066 100644
--- a/src/main/java/me/despical/kotl/user/data/MysqlManager.java
+++ b/src/main/java/me/despical/kotl/user/data/MysqlManager.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.user.data;
diff --git a/src/main/java/me/despical/kotl/util/CuboidSelector.java b/src/main/java/me/despical/kotl/util/CuboidSelector.java
index 8ccf12f..b8c03ae 100644
--- a/src/main/java/me/despical/kotl/util/CuboidSelector.java
+++ b/src/main/java/me/despical/kotl/util/CuboidSelector.java
@@ -1,6 +1,6 @@
 /*
- * KOTL - Don't let others to climb top of the ladders!
- * Copyright (C) 2023 Despical
+ * KOTL - Don't let others climb to top of the ladders!
+ * Copyright (C) 2024  Berke Akçen
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -9,11 +9,11 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 package me.despical.kotl.util;