diff --git a/README.md b/README.md
index ee8e906..a7db7e7 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ Some CSS packages use new CSS features that are not supported by the default Sas
 
 ### Why do I get `application.css not in asset pipeline` in production?
 
-A common issue is that your repository does not contain the output directory used by the build commands. You must have `app/assets/builds` available. Add the directory with a `.gitkeep` file, and you'll ensure it's available in production.
+A common issue is that your repository does not contain the output directory used by the build commands. You must have `app/assets/builds` available. Add the directory with a `.keep` file, and you'll ensure it's available in production.
 
 ### Why isn't Rails using my updated css files?