README.md in navigator-1.2.0 vs README.md in navigator-1.3.0

@@ -40,12 +40,10 @@
     - button
 - Provides `link`, `image`, and `item` convenience methods for succinct ways to build commonly used menu elements.
 
 # Requirements
 
-0. Any of the following Ruby VMs:
-    - [MRI 2.x.x](http://www.ruby-lang.org)
-    - [JRuby 1.x.x](http://jruby.org)
+0. [MRI 2.x.x](http://www.ruby-lang.org).
 0. [Ruby on Rails 4.1.x](http://rubyonrails.org).
 
 # Setup
 
 For a secure install, type the following from the command line (recommended):