         }                               
         
         /**
-         * Method returns a summary of all information available in MPI.  A suggested use of this
-         * is something like,
-         * @example
-         * <listing version="3.0">
+         * The prettyPrint() method returns a formatted String containing all 
+         * non-zero and non-null properties of the class.
+         *
+         * <p>For example, you can use the Alert control to display the available metrics, 
+         * as the following example shows:</p>
+         * 
+         * <pre>
          *      var mpiutil:MessagePerformanceUtils = new MessagePerformanceUtils(message);                     
          *      Alert.show(mpiutil.prettyPrint(), "MPI Output", Alert.NONMODAL);
-         * </listing>            
-         * 
-         * @return String containing a summary of all information available in MPI
+         * </pre>            
+         * 
+         * @return String containing a summary of all available non-zero and non-null metrics.
          */         
         public function prettyPrint():String
         {       

        //--------------------------------------------------------------------------    
        
        /**
         * Constructor
         * 
         * Creates an MPUtils instance with information from the MPI headers
         * of the passed in message
         * 
         * @param message The message whose MPI headers will be used in retrieving
         * MPI information  
         */                 
        public function MessagePerformanceUtils(message:Object):void
        {

        }                       
        
        /**
         * The size of the original client message, in bytes, 
         * as measured during deserialization by the server endpoint.
         */         
        public function get messageSize():int
        {
