diff --git a/docs/ref/templates/builtins.txt b/docs/ref/templates/builtins.txt
index d8f76dc680..2a73d56fb3 100644
--- a/docs/ref/templates/builtins.txt
+++ b/docs/ref/templates/builtins.txt
@@ -1434,7 +1434,8 @@ then the output would be:
     ]
 
 You can also do more complicated things like::
-    {{ for book in books|dictsort:"author.age"
+
+    {% for book in books|dictsort:"author.age" %}
         * {{ book.title }} ({{ book.author.name }})
     {% endfor %}