diff --git a/keystoneclient/v3/client.py b/keystoneclient/v3/client.py
index 38be932eb..e42452692 100644
--- a/keystoneclient/v3/client.py
+++ b/keystoneclient/v3/client.py
@@ -262,6 +262,7 @@ EndpointPolicyManager`
         be used in the request.
 
         :returns: access.AccessInfo if authentication was successful.
+        :rtype: :class:`keystoneclient.access.AccessInfoV3`
         :raises keystoneclient.exceptions.AuthorizationFailure: if unable to
             authenticate or validate the existing authorization token.
         :raises keystoneclient.exceptions.Unauthorized: if authentication fails