diff --git a/yesod/scaffold/Foundation.hs.cg b/yesod/scaffold/Foundation.hs.cg
index 222bf728..28fbd503 100644
--- a/yesod/scaffold/Foundation.hs.cg
+++ b/yesod/scaffold/Foundation.hs.cg
@@ -85,7 +85,7 @@ instance Yesod ~sitearg~ where
     approot = ApprootMaster $ appRoot . settings
 
     -- Store session data on the client in encrypted cookies,
-    -- place the encryption key file in the config folder
+    -- default session idle timeout is 120 minutes
     makeSessionBackend _ = do
         key <- getKey "config/client_session_key.aes"
         return . Just $ clientSessionBackend key 120
diff --git a/yesod/scaffold/tiny/Foundation.hs.cg b/yesod/scaffold/tiny/Foundation.hs.cg
index a044bbd9..1dbec877 100644
--- a/yesod/scaffold/tiny/Foundation.hs.cg
+++ b/yesod/scaffold/tiny/Foundation.hs.cg
@@ -63,7 +63,7 @@ instance Yesod ~sitearg~ where
     approot = ApprootMaster $ appRoot . settings
 
     -- Store session data on the client in encrypted cookies,
-    -- place the encryption key file in the config folder
+    -- default session idle timeout is 120 minutes
     makeSessionBackend _ = do
         key <- getKey "config/client_session_key.aes"
         return . Just $ clientSessionBackend key 120