diff --git a/index.html b/index.html
index 9a449e57..282647b8 100644
--- a/index.html
+++ b/index.html
@@ -94,16 +94,23 @@ bower install vis
   <div id="mytimeline"></div>
 
   <script type="text/javascript">
+    // DOM element where the Timeline will be attached
     var container = document.getElementById('mytimeline');
-    var data = [
+
+    // Create a DataSet (allows two way data-binding)
+    var data = new vis.DataSet([
       {id: 1, content: 'item 1', start: '2013-04-20'},
       {id: 2, content: 'item 2', start: '2013-04-14'},
       {id: 3, content: 'item 3', start: '2013-04-18'},
       {id: 4, content: 'item 4', start: '2013-04-16', end: '2013-04-19'},
       {id: 5, content: 'item 5', start: '2013-04-25'},
       {id: 6, content: 'item 6', start: '2013-04-27'}
-    ];
+    ]);
+
+    // Configuration for the Timeline
     var options = {};
+
+    // Create a Timeline
     var timeline = new vis.Timeline(container, data, options);
   </script>
 </body>