diff --git a/guides/source/caching_with_rails.md b/guides/source/caching_with_rails.md
index af4ef6a58df455c47875a59c1d8b6b0c4a85d823..aa79f59e4f3ffffdbaa4cecee62755fd3857e510 100644
--- a/guides/source/caching_with_rails.md
+++ b/guides/source/caching_with_rails.md
@@ -574,7 +574,7 @@ Caching in Development
 ----------------------
 
 It's common to want to test the caching strategy of your application
-in developement mode. Rails provides the rake task `dev:cache` to 
+in development mode. Rails provides the rake task `dev:cache` to 
 easily toggle caching on/off.
 
 ```bash