Update README.md

Author: kodeine

README.md

@@ -6,14 +6,16 @@
 [![Build Status](http://img.shields.io/travis/kodeine/laravel--acl/master.svg?style=flat-square)](https://travis-ci.org/kodeine/laravel-acl)
 [![License](http://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](https://tldrlegal.com/license/mit-license)
 
-Laravel ACL adds role based permissions to built in Auth System of Laravel 5.
+Laravel ACL adds role based permissions to built in Auth System of Laravel 5. Acl middleware protects routes and even crud controller methods.
 
-#### Protect Routes
-Laravel Acl middleware can protect routes and even protect crud controller methods.
 
 #### Documentation
-Follow along the documentation to find out more.
-[Documentation](https://github.com/kodeine/laravel-acl/wiki)
 
-#### Contribution
-Feel free to contribute or give suggestions.
+Follow along the [Wiki](https://github.com/kodeine/laravel-acl/wiki) to find out more.
+
+#### Contribution guidelines
+
+Support follows PSR-1 and PSR-4 PHP coding standards, and semantic versioning.
+
+Please report any issue you find in the issues page.
+Pull requests are welcome.