Merge branch 'master' of github.com:hansott/graphql-language

* 'master' of github.com:hansott/graphql-language:
  Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -7,7 +7,7 @@ We accept contributions via Pull Requests on [Github](https://github.com/hansott
 
 ## Pull Requests
 
-- **[PSR-2 Coding Standard](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md)** - Check the code style with ``$ composer check-style`` and fix it with ``$ composer fix-style``.
+- **[PSR-2 Coding Standard](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md)** - Check the code style with ``$ php-cs-fixer fix src`` (``$ composer global require friendsofphp/php-cs-fixer``)
 
 - **Add tests!** - Your patch won't be accepted if it doesn't have tests.