diff --git a/build.gradle b/build.gradle
index 1d2b341..7c16761 100644
--- a/build.gradle
+++ b/build.gradle
@@ -46,7 +46,7 @@ tasks.register('javadocJar', Jar) {
 jar {
     manifest {
         attributes(
-                "Main-Class": "${project.group}.${project.name.toLowerCase()}.${project.name}",
+                "Main-Class": "${project.group}.${project.name.toLowerCase()}.YAMLMain",
                 "Manifest-Version": "${project.version}"
         )
     }
diff --git a/src/main/java/it/fulminazzo/yamlparser/interfaces/IConfiguration.java b/src/main/java/it/fulminazzo/yamlparser/interfaces/IConfiguration.java
index 2df4fd8..72d2f88 100644
--- a/src/main/java/it/fulminazzo/yamlparser/interfaces/IConfiguration.java
+++ b/src/main/java/it/fulminazzo/yamlparser/interfaces/IConfiguration.java
@@ -897,6 +897,7 @@ default <T> boolean check(String name, Object object, Class<T> clazz) {
      * Compares this configuration with another.
      *
      * @param configuration the configuration
+     * @param ignore        the keys to ignore during checking
      * @return the result of the comparison as configuration checker
      */
     default ConfigurationChecker compare(IConfiguration configuration, String... ignore) {
diff --git a/src/main/java/it/fulminazzo/yamlparser/objects/configurations/FileConfiguration.java b/src/main/java/it/fulminazzo/yamlparser/objects/configurations/FileConfiguration.java
index 4c821c9..38dd64c 100644
--- a/src/main/java/it/fulminazzo/yamlparser/objects/configurations/FileConfiguration.java
+++ b/src/main/java/it/fulminazzo/yamlparser/objects/configurations/FileConfiguration.java
@@ -102,7 +102,7 @@ public static Yaml newYaml() {
      * Add all the parsers present in the package: ../yamlelements
      */
     public static void addParsers() {
-        String packageName = FileConfiguration.class.getPackageName();
+        String packageName = FileConfiguration.class.getPackage().getName();
         String[] tmp = packageName.split("\\.");
         packageName = String.join(".", Arrays.copyOfRange(tmp, 0, tmp.length - 1));
         addParsers(packageName + ".yamlelements");