     }
 
     /**
-     *  Calculate the size for
-     *  the thumb from the current range, pageSize, and
+     *  Calculate the size for the thumb from the current range, pageSize, and
      *  trackSize settings.
+     * 
+     *  If fixedThumbSize is true, then subclasses should return a value based
+     *  on the thumb's preferred size instead.
+     * 
+     *  @see fixedThumbSize
      *  
      *  @langversion 3.0
      *  @playerversion Flash 10

    }
    
    //---------------------------------
    // pageSize
    //--------------------------------- 


     *  and step offsets.</p>
     *    
     *  @default null
     *       mx.components.VScrollBar
     *  @see mx.components.HScrollBar
     *
     *  
