diff --git a/guides/source/contributing_to_ruby_on_rails.md b/guides/source/contributing_to_ruby_on_rails.md
index f86589bdf1..a6eb9907a0 100644
--- a/guides/source/contributing_to_ruby_on_rails.md
+++ b/guides/source/contributing_to_ruby_on_rails.md
@@ -340,7 +340,7 @@ $ TEST_DIR=generators bundle exec rake test
 You can run the tests for a particular file by using:
 
 ```bash
-$ cd actionpack
+$ cd actionview
 $ bundle exec ruby -w -Itest test/template/form_helper_test.rb
 ```