diff --git a/guides/source/caching_with_rails.md b/guides/source/caching_with_rails.md
index b0103c9af4..d6ad8f7db3 100644
--- a/guides/source/caching_with_rails.md
+++ b/guides/source/caching_with_rails.md
@@ -122,7 +122,7 @@ For example, take the following view:
 Which in turn renders this view:
 
 ```erb
-<% cache game %>
+<% cache game do %>
   <%= render game %>
 <% end %>
 ```