Update dic_tags.rst

mgrinko · mgrinko · commit 056d58ce803a · 2013-11-18T18:37:56.000+02:00
diff --git a/reference/dic_tags.rst b/reference/dic_tags.rst
@@ -834,7 +834,7 @@ and :class:`Symfony\\Component\\Serializer\\Normalizer\\DenormalizerInterface`.
 For more details, see :doc:`/cookbook/serializer`.
 
 swiftmailer.default.plugin
-------------------
+--------------------------
 
 **Purpose**: Register a custom SwiftMailer Plugin
 
