update readme

7 months ago · 5a68a95809
1 changed files with 1 additions and 1 deletions
--- a/README.md
+++ b/README.md
@ -99,7 +99,7 @@ $server->start(
            );
        }
-        return 'thank you!';
+        return 'thank you!'; // null|string response
    }
 );
 ```