README.md in ember-rails-assets-0.1.2 vs README.md in ember-rails-assets-0.2.0

@@ -24,9 +24,13 @@
 <img src="{{asset-path "logo.png"}}" />
 ```
 
 This will output `<img src="/assets/logo.png" />` in development, and `<img src="/assets/logo-a7f68910d32291ed6470a764a2e59465.png" />` in production.
 
+## Requirements
+
+This gem supports Rails 4.x and Ember 1.13.x and up.
+
 ## Contributing
 
 1. Fork it ( https://github.com/botandrose/ember-rails-assets/fork )
 2. Create your feature branch (`git checkout -b my-new-feature`)
 3. Commit your changes (`git commit -am 'Add some feature'`)