Create tags.rst

Author: danut007ro

service_container/tags.rst

@@ -73,8 +73,8 @@ that it implements ``Twig_ExtensionInterface``) and adds the tag for you.
 .. tip::
 
     To apply a tag to all your autoconfigured services extending a class or an
-    interface, call ``ContainerBuilder::registerForAutoconfiguration()`` in an
-    :doc:`extension </bundles/extension>` or from your kernel::
+    interface, call :method:`Symfony\\Component\\DependencyInjection\\ContainerBuilder::registerForAutoconfiguration`
+    method in an :doc:`extension </bundles/extension>` or from your kernel::
 
         // app/AppKernel.php
         class AppKernel extends Kernel