diff --git a/docs/topics/class-based-views/mixins.txt b/docs/topics/class-based-views/mixins.txt
index 972cdd8f36..fcde53147b 100644
--- a/docs/topics/class-based-views/mixins.txt
+++ b/docs/topics/class-based-views/mixins.txt
@@ -344,7 +344,7 @@ The ``paginate_by`` is deliberately small in the example so you don't
 have to create lots of books to see the pagination working! Here's the
 template you'd want to use:
 
-.. code-block: html+django
+.. code-block:: html+django
 
     {% extends "base.html" %}