diff --git a/src/compiler/crystal/tools/playground/views/_about.html b/src/compiler/crystal/tools/playground/views/_about.html
index c4b576c69d0b..ad88ed6edc1a 100644
--- a/src/compiler/crystal/tools/playground/views/_about.html
+++ b/src/compiler/crystal/tools/playground/views/_about.html
@@ -65,10 +65,9 @@ <h1>Usage</h1>
   context.response.headers["Content-Type"] = "text/plain"
   context.response.print("Hello world!")
 end
-server.bind "0.0.0.0", 5678
 
 puts "Listening on http://0.0.0.0:5678"
-server.listen</pre>
+server.listen "0.0.0.0", 5678</pre>
 
 <p>
 When <code>crystal play</code> is run from your awesome Crystal app or shard you are able to use <code>require</code> as you would normaly do: require relative files and even dependencies declared in your <code>shards.yml</code>.