diff --git a/index.html b/index.html
index 34abb971..7ebc6317 100644
--- a/index.html
+++ b/index.html
@@ -8,9 +8,9 @@
         <link href="doc/site/style.css" rel="stylesheet" type="text/css" /> 
         <link rel="stylesheet" media="all and (max-device-width: 480px)" href="doc/site/iphone.css"> 
         <link rel="stylesheet" media="all and (min-device-width: 481px) and (max-device-width: 1024px)" href="doc/site/iphone.css"> 
-	    <link rel="stylesheet" href="./doc/resources/ace/skeleton/csses/bootstrap.min.css">
-	    <link rel="stylesheet" href="./doc/resources/ace/skeleton/csses/ace_api.css">
-	    <link href="./doc/resources/ace/skeleton/images/favicon.ico" rel="icon" type="image/x-icon">
+        <link rel="stylesheet" href="./doc/resources/ace/skeleton/csses/bootstrap.min.css">
+        <link rel="stylesheet" href="./doc/resources/ace/skeleton/csses/ace_api.css">
+        <link href="./doc/resources/ace/skeleton/images/favicon.ico" rel="icon" type="image/x-icon">
     </head> 
     <body> 
     	<a href="http://github.com/ajaxorg/ace"><img style="z-index: 50000; position: absolute; top: 0; right: 0; border: 0;" src="https://a248.e.akamai.net/camo.github.com/e6bef7a091f5f3138b8cd40bc3e114258dd68ddf/687474703a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f7265645f6161303030302e706e67" alt="Fork me on GitHub"></a>
@@ -57,6 +57,7 @@
                             <li><a href="http://www.wavemaker.com/">WaveMaker</a></li>
                             <li><a href="http://rstudio.org/">RStudio</a></li>
                             <li><a href="http://www.playmycode.com/">Play My Code</a></li>
+                            <li><a href="http://www.codecademy.com/">Codecademy</a></li>
                             <li><a href="http://demo.qooxdoo.org/devel/playground/#">Qooxdoo playground</a></li> 
                             <li><a href="http://ext.radiantcms.org/extensions/264-ace">Radiant CMS</a></li> 
                             <li><a href="http://developercompanion.com/">Developer Companion</a></li> 
