diff --git a/docs/usage/email.rst b/docs/usage/email.rst
--- a/docs/usage/email.rst
+++ b/docs/usage/email.rst
@@ -93,4 +93,4 @@ References
 - `ErrorHandler (Pylons modules documentation) <http://pylons-webframework.readthedocs.org/en/latest/modules/middleware.html#pylons.middleware.ErrorHandler>`_
 
 
-.. _WebError: https://pypi.python.org/pypi/WebError
+.. _backlash: https://github.com/TurboGears/backlash