diff --git a/lib/util.js b/lib/util.js
index 7b6a82bc..8d891e89 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -225,17 +225,16 @@
         };
         
         /**
-         * copy pObj properties to pTargetObject
+         * extend proto
          * 
-         * @pTarget
-         * @pObj
+         * @obj
          */
-         this.extendProto           = function(pObj) {
-            var lRet, F     = function() {};
-            F.prototype     = Util.extend({}, pObj);
-            lRet = new F();
+         this.extendProto           = function(obj) {
+            var ret, F      = function() {};
+            F.prototype     = Util.extend({}, obj);
+            ret             = new F();
             
-            return lRet;
+            return ret;
          };
         
         /** for function