diff --git a/oauth2client/client.py b/oauth2client/client.py
index 1a3937b..c18a0ce 100644
--- a/oauth2client/client.py
+++ b/oauth2client/client.py
@@ -87,7 +87,7 @@
     """Retrieve credential.
 
     Returns:
-      apiclient.oauth.Credentials
+      oauth2client.client.Credentials
     """
     _abstract()