Improved the help function.

audiogame-manager.sh

@@ -202,7 +202,7 @@ help() {
     echo -e "Usage:\n"
     echo "With no arguments, open the game launcher."
     for i in "${!command[@]}" ; do
-        echo "-${i}: ${command[${i}]}"
+        echo "-${i/:/ <parameter>}: ${command[${i}]}"
     done | sort
     exit 0
 }