diff --git a/plexpy/webauth.py b/plexpy/webauth.py
index 54ea7a0c..c11faf78 100644
--- a/plexpy/webauth.py
+++ b/plexpy/webauth.py
@@ -16,7 +16,8 @@
 #  along with Tautulli.  If not, see <http://www.gnu.org/licenses/>.
 
 
-# http://tools.cherrypy.org/wiki/AuthenticationAndAccessRestrictions
+# http://web.archive.org/web/20170210040849/http://tools.cherrypy.org/wiki/AuthenticationAndAccessRestrictions
+# https://github.com/cherrypy/tools/blob/master/AuthenticationAndAccessRestrictions
 # Form based authentication for CherryPy. Requires the
 # Session tool to be loaded.