diff --git a/README.md b/README.md
index 23c12d17..54fe3f7f 100644
--- a/README.md
+++ b/README.md
@@ -27,14 +27,15 @@ angular.module('myApp', ['ngTasty']);
 
 
 ## Development
-For running the dev enviroment you just need install
+For running the dev environment you just need install
 all the dependencies by `npm`, the [node package manager][npm-site]. 
 
 ```
+npm install -g gulp
 npm install
 ```
 
-Run dev enviroment, it's a watch script with several task running
+Run dev environment, it's a watch script with several task running
 like jshint, html2js, build and unit test on the js build files.
 ```
 gulp build
@@ -43,7 +44,7 @@ gulp watch
 
 #### Run demo app
 
-We have preconfigured the demo with a simple development web server.  
+We have pre-configured the demo with a simple development web server.  
 The simplest way to start this server is:
 
 ```
diff --git a/src/filter/slugify.js b/src/filter/slugify.js
index d878b699..1a5f8995 100644
--- a/src/filter/slugify.js
+++ b/src/filter/slugify.js
@@ -20,19 +20,9 @@ angular.module('ngTasty.filter.slugify', [])
     return '' + object;
   };
 
-  var defaultToWhiteSpace = function (characters) {
-    if (characters == null) {
-      return '\\s';
-    } else if (characters.source) {
-      return characters.source;
-    } else {
-      return '[' + characters.replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1') + ']';
-    }
-  };
-
   var from  = 'ąàáäâãåæăćčĉęèéëêĝĥìíïîĵłľńňòóöőôõðøśșšŝťțŭùúüűûñÿýçżźž',
       to    = 'aaaaaaaaaccceeeeeghiiiijllnnoooooooossssttuuuuuunyyczzz',
-      regex = new RegExp(defaultToWhiteSpace(from), 'g');
+      regex = new RegExp('[' + from + ']', 'g');
 
   return function (str) {
     str = makeString(str)