diff --git a/lib/util.js b/lib/util.js
index 8ee1a27d..404a0dab 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -610,76 +610,76 @@
         };
         
         /**
-         * functions check is pVarible is array
-         * @param pVarible
+         * functions check is variable is array
+         * @param variable
          */
-        this.isArray                = function(pVarible) {
-            return pVarible instanceof Array;
+        this.isArray                = function(variable) {
+            return variable instanceof Array;
         };
         
         /**
-         * functions check is pVarible is ArrayBuffer
-         * @param pVarible
+         * functions check is variable is ArrayBuffer
+         * @param variable
          */
-        this.isArrayBuffer          = function(pVarible) {
-            return pVarible instanceof ArrayBuffer;
+        this.isArrayBuffer          = function(variable) {
+            return variable instanceof ArrayBuffer;
         };
         
         /**
-         * functions check is pVarible is boolean
-         * @param pVarible
+         * functions check is variable is boolean
+         * @param variable
          */
-        this.isBoolean               = function(pVarible) {
-            return Util.isType(pVarible, 'boolean');
+        this.isBoolean               = function(variable) {
+            return Util.isType(variable, 'boolean');
         };
         
         /**
-         * functions check is pVarible is function
-         * @param pVarible
+         * functions check is variable is function
+         * @param variable
          */
-        this.isFunction             = function(pVarible) {
-            return Util.isType(pVarible, 'function');
+        this.isFunction             = function(variable) {
+            return Util.isType(variable, 'function');
         };
         
         /**
-         * functions check is pVarible is number
-         * @param pVarible
+         * functions check is variable is number
+         * @param variable
          */
-        this.isNumber               = function(pVarible) {
-            return Util.isType(pVarible, 'number');
+        this.isNumber               = function(variable) {
+            return Util.isType(variable, 'number');
         };
         
         /**
-         * functions check is pVarible is object
-         * @param pVarible
+         * functions check is variable is object
+         * @param variable
          */
-        this.isObject               = function(pVarible) {
-            return Util.isType(pVarible, 'object');
+        this.isObject               = function(variable) {
+            return Util.isType(variable, 'object');
         };
         
         /**
-         * functions check is pVarible is string
-         * @param pVarible
+         * functions check is variable is string
+         * @param variable
          */
-         this.isString               = function(pVarible) {
-            return Util.isType(pVarible, 'string');
+         this.isString               = function(variable) {
+            return Util.isType(variable, 'string');
         };
         
         /**
-         * functions check is pVarible is string
-         * @param pVarible
+         * functions check is variable is string
+         * @param variable
          */
-         this.isUndefined           = function(pVarible) {
-            return Util.isType(pVarible, 'undefined');
+         this.isUndefined           = function(variable) {
+            return Util.isType(variable, 'undefined');
         };
         
         /**
-         * functions check is pVarible is pType
-         * @param pVarible
+         * functions check is variable is pType
+         * @param variable
          * @param pType
          */    
-        this.isType                 = function(pVarible, pType) {
-            return typeof pVarible === pType;
+        this.isType                 = function(variable, pType) {
+            return typeof variable === pType;
         };