add help

owrxadmin/__main__.py

@@ -12,7 +12,7 @@ def main():
     parser.add_argument("command", help="One of the following commands: adduser, removeuser")
     parser.add_argument("--noninteractive", action="store_true", help="Don't ask for any user input (useful for automation)")
     parser.add_argument("--silent", action="store_true", help="Ignore errors (useful for automation)")
-    parser.add_argument("-u", "--user")
+    parser.add_argument("-u", "--user", help="User name to perform action upon")
     args = parser.parse_args()
 
     if args.command == "adduser":