diff --git a/keystone/common/config.py b/keystone/common/config.py
index a09aca513e..107fbbf555 100644
--- a/keystone/common/config.py
+++ b/keystone/common/config.py
@@ -529,8 +529,9 @@ FILE_OPTIONS = {
                              'token, the origin host must be a member of the '
                              'trusted_dashboard list. This configuration '
                              'option may be repeated for multiple values. '
-                             'For example: trusted_dashboard=http://acme.com '
-                             'trusted_dashboard=http://beta.com'),
+                             'For example: '
+                             'trusted_dashboard=http://acme.com/auth/websso '
+                             'trusted_dashboard=http://beta.com/auth/websso'),
         cfg.StrOpt('sso_callback_template', default=_SSO_CALLBACK,
                    help='Location of Single Sign-On callback handler, will '
                         'return a token to a trusted dashboard host.'),