diff --git a/guides/source/active_record_callbacks.md b/guides/source/active_record_callbacks.md
index e9df505f216ae48b46811368e5c485f1beed9292..f2595c7d4e1a762cae7e9c782914ca08e94d5fb1 100644
--- a/guides/source/active_record_callbacks.md
+++ b/guides/source/active_record_callbacks.md
@@ -431,7 +431,7 @@ end
 NOTE: The `:on` option specifies when a callback will be fired. If you
 don't supply the `:on` option the callback will fire for every action.
 
-Since using `after_commit` callback only on create, update, or delete is
+Since using the `after_commit` callback only on create, update, or delete is
 common, there are aliases for those operations:
 
 * `after_create_commit`