      *
      *  @param cancelable Specifies whether the behavior associated with the event can be prevented.
      *
-     *  @param renderer Reference to the renderer that was added or removed.
+     *  @param renderer Reference to the item renderer that was added or removed.
      * 
      *  @param index The index in the data provider where the renderer was added or removed.
      * 
-     *  @param data The data object that the renderer is visualizing.
+     *  @param data The data item that the renderer is visualizing.
      *  
      *  @langversion 3.0
      *  @playerversion Flash 10

     *       event listener that handles the event. For example, if you use 
     *       <code>myButton.addEventListener()</code> to register an event listener, 
     *       myButton is the value of the <code>currentTarget</code>. </td></tr>
     *     <tr><td><code>data</code></td><td>The data object that the renderer
     *       is visualizing.</td></tr>
     *     <tr><td><code>index</code></td><td>The dataProvider index for the 
     *       renderer that was added.</td></tr>
     *     <tr><td><code>renderer</code></td><td>Contains a reference
     *         to the renderer that was added</td></tr>

     *       event listener that handles the event. For example, if you use 
     *       <code>myButton.addEventListener()</code> to register an event listener, 
     *       myButton is the value of the <code>currentTarget</code>. </td></tr>
     *     <tr><td><code>data</code></td><td>The data item that the renderer
     *       was visualizing.</td></tr>
     *     <tr><td><code>index</code></td><td>The data provider index for the 
     *       renderer that is being removed.</td></tr>
     *     <tr><td><code>renderer</code></td><td>Contains a reference
     *        to the renderer that is about to be removed.</td></tr>
