README.md in seatbelt-0.5.0 vs README.md in seatbelt-1.0.0

- old
+ new
@@ -2,13 +2,10 @@
 
 [![Build Status](https://travis-ci.org/alto/seatbelt.svg?branch=master)](https://travis-ci.org/alto/seatbelt)
 [![Code Climate](https://codeclimate.com/github/alto/seatbelt/badges/gpa.svg)](https://codeclimate.com/github/alto/seatbelt)
 
 Seatbelt provides a number of custom, high-level assertions for Ruby and Ruby on Rails. The assertions work well with Ruby
-[1.9.3](http://ruby-doc.org/core-1.9.3/),
-[2.0.0](http://ruby-doc.org/core-2.0.0/),
-[2.0.0](http://ruby-doc.org/core-2.1.0/) and
-[2.1.0](http://ruby-doc.org/core-2.2.0/).
+[2.2.3](http://ruby-doc.org/core-2.2.3/).
 
 ## Installation
 
 Add this line to your application's Gemfile:
 