README.md in rekkyo-0.1.0 vs README.md in rekkyo-0.2.0

@@ -1,7 +1,8 @@
 # Rekkyo
 
+[![Gem Version](https://badge.fury.io/rb/rekkyo.svg)](https://badge.fury.io/rb/rekkyo)
 [![Build Status](https://travis-ci.org/yujideveloper/rekkyo.svg?branch=master)](https://travis-ci.org/yujideveloper/rekkyo)
 [![Maintainability](https://api.codeclimate.com/v1/badges/37d6334cedf5b04af831/maintainability)](https://codeclimate.com/github/yujideveloper/rekkyo/maintainability)
 
 Rekkyo is a gem for defining an enumerated type in Ruby.
 
@@ -35,9 +36,12 @@
   member :GREEN
   member :BLUE
 end
 
 { color: Color::RED }.to_json # => "{\"color\":\"RED\"}
+
+Color::RED.red?   # => true
+Color::BLUE.blue? # => false
 ```
 
 ### Custom value
 
 ``` ruby