diff --git a/cookbook/templating/namespaced_paths.rst b/cookbook/templating/namespaced_paths.rst
index f26ba8a3237..5835206c77d 100644
--- a/cookbook/templating/namespaced_paths.rst
+++ b/cookbook/templating/namespaced_paths.rst
@@ -91,6 +91,8 @@ the first template that exists, starting from the first configured path. This
 feature can be used as a fallback mechanism to load generic templates when the
 specific template doesn't exist.
 
+.. configuration-block::
+
     .. code-block:: yaml
 
         # app/config/config.yml
@@ -124,7 +126,7 @@ specific template doesn't exist.
                 '%kernel.root_dir%/../vendor/acme/themes/theme1' => 'theme',
                 '%kernel.root_dir%/../vendor/acme/themes/theme2' => 'theme',
                 '%kernel.root_dir%/../vendor/acme/themes/common' => 'theme',
-            );
+            ),
         ));
 
 Now, you can use the same ``@theme`` namespace to refer to any template located