Fixed typo

diff --git a/doc/tags/extends.rst b/doc/tags/extends.rst
index d962a30..1ad2b12 100644 (file)
--- a/doc/tags/extends.rst
+++ b/doc/tags/extends.rst
@@ -186,8 +186,8 @@ In this example, the template will extend the "minimum.html" layout template
 if the ``standalone`` variable evaluates to ``true``, and "base.html"
 otherwise.
 
-How blocks work?
-----------------
+How do blocks work?
+-------------------
 
 A block provides a way to change how a certain part of a template is rendered
 but it does not interfere in any way with the logic around it.