diff --git a/build_support/editor_textarea.html b/build_support/editor_textarea.html
index 1a5bf4a1..09c4d5a3 100644
--- a/build_support/editor_textarea.html
+++ b/build_support/editor_textarea.html
@@ -12,7 +12,7 @@
         var bar = true;
     }
 </textarea><br>
-SourceUrl: <input id="srcURL" value="http://URL/To/Js/Files"></input>
+SourceUrl: <input id="srcURL" value="http://ajaxorg.github.com/ace/build/textarea/src"></input>
 
 <button id="buBuild">Build link</button> <br> <a href="#"></a>