diff --git a/docs/core/index.rst b/docs/core/index.rst
index 5e77fba7a34..72cad6bbb2a 100644
--- a/docs/core/index.rst
+++ b/docs/core/index.rst
@@ -13,10 +13,8 @@ Twisted Core
     examples/index
     specifications/index
 
-
 - :doc:`Developer guides <howto/index>`: documentation on using Twisted Core to develop your own applications
 - :doc:`Examples <examples/index>`: short code examples using Twisted Core
 - :doc:`Specifications <specifications/index>`: specification documents for elements of Twisted Core
 
-
-An `API reference <//twistedmatrix.com/documents/current/api/>`_ is available on the twistedmatrix web site.
+An :py:mod:`API reference <twisted>` is available.