CONTRIBUTING.md in capybara-webkit-0.7.2 vs CONTRIBUTING.md in capybara-webkit-0.8.0

@@ -1,10 +1,10 @@
 We love pull requests. Here's a quick guide:
 
 1. Fork the repo.
 
 2. Run the tests. We only take pull requests with passing tests, and it's great
-to know that you have a clean slate: `bundle && rake`
+to know that you have a clean slate: `bundle && bundle exec rake`
 
 3. Add a test for your change. Only refactoring and documentation changes
 require no new tests. If you are adding functionality or fixing a bug, we need
 a test!