     /**
      *  A DisplayLayer class maintains an ordered list of DisplayObjects sorted on
      *  depth.
-     *  Developers don't instantiate this class, but use the <code>overlay</code>
+     *  You do not instantiate this class, but use the <code>overlay</code>
      *  property of <code>Group</code> and <code>DataGroup</code>.
      *
      *  @see spark.components.Group#overlay

        /**
         *  Adds a <code>displayObject</code> with the specified depth to the ordered list.
         *  The position of the <code>displayObject</code> in the sorted lists is based on
         *  its depth, the object will be inserted after all objects with less than or equal
         *  depth value.
         * 
         *  @return Returns the index of the object.
         *
         *  @langversion 3.0
         *  @playerversion Flash 10

        
        /**
         *  Returns the DisplayObject with the specified index. 
         *
         *  @param index The index of the object.
         *
         *  @return The object.
         * 
         *  @langversion 3.0
         *  @playerversion Flash 10
