Fix typo

jenyak · xabbuh · commit 86baab51044e · 2017-03-01T21:17:22.000+01:00
diff --git a/controller.rst b/controller.rst
@@ -439,7 +439,7 @@ read any flash messages from the session:
                 <div class="flash-{{ type }}">
                     {{ flash_message }}
                 </div>
-            {% endif %}
+            {% endfor %}
         {% endfor %}
 
     .. code-block:: html+php
