diff --git a/src/ua-parser.js b/src/ua-parser.js
index d982c4e..3b7ea5a 100755
--- a/src/ua-parser.js
+++ b/src/ua-parser.js
@@ -45,15 +45,15 @@
 
     var util = {
         extend : function (regexes, extensions) {
-            var margedRegexes = {};
+            var mergedRegexes = {};
             for (var i in regexes) {
                 if (extensions[i] && extensions[i].length % 2 === 0) {
-                    margedRegexes[i] = extensions[i].concat(regexes[i]);
+                    mergedRegexes[i] = extensions[i].concat(regexes[i]);
                 } else {
-                    margedRegexes[i] = regexes[i];
+                    mergedRegexes[i] = regexes[i];
                 }
             }
-            return margedRegexes;
+            return mergedRegexes;
         },
         has : function (str1, str2) {
           if (typeof str1 === "string") {