diff --git a/README.md b/README.md
index d3428602..e0902385 100644
--- a/README.md
+++ b/README.md
@@ -70,12 +70,16 @@ See [Linguist::BlobHelper#generated?](https://github.com/github/linguist/blob/ma
 
 ## Installation
 
-To get it, clone the repo and run Bundler.
+To get it, clone the repo and run [Bundler](http://gembundler.com/) to install its dependencies.
 
     git clone https://github.com/github/linguist.git
     cd linguist/
     bundle install
 
+To run the tests:
+
+    bundle exec rake test
+
 *Since this code is specific to GitHub, is not published as a official rubygem.*
 
 ## Contributing