diff --git a/app/Config.hs b/app/Config.hs
index fcae9e3..34148f9 100644
--- a/app/Config.hs
+++ b/app/Config.hs
@@ -40,6 +40,8 @@ withConfigs f codec configFile = do
     (mapM f)
     parseResult
 
+-- Note for later:
+-- TODO this may need logging if f dies with an exception
 forkBackend :: IO () -> IO (MVar ())
 forkBackend f = do
   mVar <- newEmptyMVar