diff --git a/openid.js b/openid.js
index 59e97fe..9dbf80b 100644
--- a/openid.js
+++ b/openid.js
@@ -661,6 +661,7 @@ openid.authenticate = function(identifier, returnUrl, realm, immediate, callback
       {
         if(!answer || answer.error)
         {
+          // TODO: Do dumb/stateless mode
           callback(null, answer.error);
         }