README.md in artwork-0.2.1 vs README.md in artwork-0.3.0

@@ -34,17 +34,22 @@
 ## Requirements
 
 - Ruby 1.8.7 or newer
 - Rails 2.3 or newer
 - Paperclip 2.3 or newer
+- A JavaScript runtime
 
 ## Installation
 
-Add this line to your application's Gemfile:
+Add these lines to your application's Gemfile:
 
     gem 'artwork'
+    gem 'therubyracer'
 
+You can skip `therubyracer` if you have other JavaScript environments available
+on your machine (including on the prodiction one).
+
 And then execute:
 
     $ bundle
 
 Or install it yourself as:
@@ -98,8 +103,10 @@
 
 ## Contributing
 
 1. [Fork it](https://github.com/mitio/artwork/fork)
 2. Create your feature branch (`git checkout -b my-new-feature`)
-3. Commit your changes (`git commit -am 'Add some feature'`)
-4. Push to the branch (`git push origin my-new-feature`)
-5. Create a new Pull Request
+3. Make your changes
+4. Make sure the tests pass (`bundle exec rake`)
+5. Commit your changes (`git commit -am 'Add some feature'`)
+6. Push to the branch (`git push origin my-new-feature`)
+7. Create a new Pull Request