diff --git a/lib/util.js b/lib/util.js
index 7af0abec..8949f427 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -722,7 +722,10 @@
             
             /**
              * exec function if it exist in object
-             * @pArg
+             * 
+             * @param obj
+             * @param name
+             * @param arg
              */
             exec.ifExist                = function(obj, name, arg) {
                 var ret,