Updated README

Author: mendhak

README.md

@@ -20,7 +20,7 @@ For example, if you set `ng-intro-method="CallMe"`, then you can later call `ng-
 
 To start the intro from code, either call `$scope.CallMe();` or set `ng-intro-autostart="true"`.  If the `$scope.CallMe();` doesn't work, it might be because your DOM isn't ready. Put it in a `$timeout`.
 
-There are also directives that link to the intro.js callbacks, namely `ng-intro-oncomplete`, `ng-intro-onexit`, `ng-intro-onchange` and `ng-intro-onbeforechange`.
+There are also directives that link to the intro.js callbacks, namely `ng-intro-oncomplete`, `ng-intro-onexit`, `ng-intro-onchange` `ng-intro-onbeforechange` and `ng-intro-onafterchange`.
 
 
 ## License