Update .example.env documentation

.example.env

@@ -57,6 +57,7 @@ WEB_WORKERS=5
 
 ## Bancho configuration
 
+# These are the ports, that older clients will connect to
 BANCHO_TCP_PORTS=[13380, 13381, 13382, 13383]
 
 # You can change this, depending on how many threads you have
@@ -71,7 +72,7 @@ AUTOJOIN_CHANNELS=['#osu', '#announce']
 
 # Used for bancho_connect.php endpoint (optional)
 # Make sure this ip is not proxied in any way
-PUBLIC_BANCHO_IP=
+PUBLIC_BANCHO_IP=127.0.0.1
 
 # This will verify the hash of the client, if set to False
 # You will need to edit the manifest.json file on the website
@@ -80,6 +81,7 @@ DISABLE_CLIENT_VERIFICATION=True
 
 ## Website configuration
 
+# You can change this, depending on how many threads you have
 FRONTEND_WORKERS=4
 
 # Set this to something unique
@@ -88,18 +90,18 @@ FRONTEND_SECRET_KEY=somethingrandom
 # Enable this if you are using an ssl certificate
 ENABLE_SSL=False
 
-## Nginx configuration
+# This is used for in-game links and the reverse-proxy
+# Example: `lekuru.xyz`, `example.com`, `localhost`
+DOMAIN_NAME=localhost
 
 NGINX_HOST=0.0.0.0
 NGINX_PORT=80
 
-DOMAIN_NAME=localhost
-
-## Discord configuration
+## Discord configuration (optional)
 
 ENBALE_DISCORD_BOT=False
 DISCORD_BOT_PREFIX=!
 DISCORD_BOT_TOKEN=
 
 # Used for importing beatmaps (optional)
-OSU_API_KEY=
+OSU_API_KEY=