Update .env.example

Fix a typo on line 23.

.env.example

@@ -20,7 +20,7 @@ SMTP_PASSWORD='smtp_example_password'
 NEXT_PUBLIC_APP_URL='http://localhost:3000'
 
 # The callback URL for discords Oauth is localhost:3000/login/discord/callback
-# Obviously replace localhost and port of you are using this in a production environment.
+# Obviously replace localhost and port if you are using this in a production environment.
 
 DISCORD_CLIENT_ID='discord_client_id'
 DISCORD_CLIENT_SECRET='discord_client_secret'