--- a/mail.rst	Wed Jun 20 13:06:50 2012 +0300
+++ b/mail.rst	Wed Jun 20 13:07:20 2012 +0300
@@ -89,6 +89,7 @@
   http://tools.ietf.org/html/rfc4155
                 The application/mbox Media Type (Category: Informational)
   http://en.wikipedia.org/wiki/Mbox
+                Mbox at Wikipedia.
 
 maildir.
 --------