[book][service_container] Fixing functional, but bad tags syntax

weaverryan · weaverryan · commit 99a589941021 · 2011-03-20T09:55:20.000-05:00
diff --git a/book/service_container.rst b/book/service_container.rst
@@ -680,8 +680,7 @@ to be used for a specific purpose. Take the following example:
             foo.twig.extension:
                 class: Sensio\HelloBundle\Extension\FooExtension
                 tags:
-                    twig.extension:
-                      name:    twig.extension
+                    -  { name: twig.extension }
 
     .. code-block:: xml
 
