update readme

Author: barryvdh

readme.md

@@ -7,7 +7,7 @@ You can use it to easily manage your configuration, and use the Facade to provid
 
 ## Installation
 
-Require this package in your composer.json and run composer update (or run `composer require barryvdh/laravel-omnipay:0.1.x` directly):
+Require this package in your composer.json and run composer update (or run `composer require barryvdh/laravel-omnipay:0.2.x` directly):
 
     "barryvdh/laravel-omnipay": "0.2.*@dev"