diff --git a/docs/source/spam.rst b/docs/source/spam.rst
index ea773c77..4501dd42 100644
--- a/docs/source/spam.rst
+++ b/docs/source/spam.rst
@@ -1,7 +1,7 @@
 Spam Filtering
 ==============
 
-django-helpdesk includes a copy of ``akismet.py`` by `Michael Foord <http://www.voidspace.org.uk/>`, which lets incoming ticket submissions be automatically checked against either the `Akismet <http://akismet.com/>` or `TypePad Anti-Spam <http://antispam.typepad.com/>` services.
+django-helpdesk includes a copy of ``akismet.py`` by `Michael Foord <http://www.voidspace.org.uk/>`_, which lets incoming ticket submissions be automatically checked against either the `Akismet <http://akismet.com/>`_ or `TypePad Anti-Spam <http://antispam.typepad.com/>`_ services.
 
 To enable this functionality, sign up for an API key with one of these two services.