diff --git a/CONTRIBUTION_GUIDELINES.md b/CONTRIBUTION_GUIDELINES.md
index 10b3a5fb2..5aee82cb3 100644
--- a/CONTRIBUTION_GUIDELINES.md
+++ b/CONTRIBUTION_GUIDELINES.md
@@ -1,4 +1,4 @@
-Contributing to factory_girl:
+Contributing to factory\_girl:
 
 1. Fork the [official repository](http://github.com/thoughtbot/factory_girl/tree/master).
 2. Make your changes in a topic branch.