Update supported RFCs (#186)

solves #186

README.md

@@ -1,7 +1,10 @@
 # EmailValidator
 [![Build Status](https://travis-ci.org/egulias/EmailValidator.png?branch=master)](https://travis-ci.org/egulias/EmailValidator) [![Coverage Status](https://coveralls.io/repos/egulias/EmailValidator/badge.png?branch=master)](https://coveralls.io/r/egulias/EmailValidator?branch=master) [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/egulias/EmailValidator/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/egulias/EmailValidator/?branch=master) [![SensioLabsInsight](https://insight.sensiolabs.com/projects/22ba6692-9c02-42e5-a65d-1c5696bfffc6/small.png)](https://insight.sensiolabs.com/projects/22ba6692-9c02-42e5-a65d-1c5696bfffc6)
 =============================
-With the help of [PHPStorm](https://www.jetbrains.com/phpstorm/)
+## Suported RFCs ##
+This library aims to support:
+
+RFC 5321, 5322, 6530, 6531, 6532.
 
 ## Requirements ##