diff --git a/hnix-store-remote/src/System/Nix/Store/Remote/Server.hs b/hnix-store-remote/src/System/Nix/Store/Remote/Server.hs
index f6d1387..e22b3a7 100644
--- a/hnix-store-remote/src/System/Nix/Store/Remote/Server.hs
+++ b/hnix-store-remote/src/System/Nix/Store/Remote/Server.hs
@@ -124,6 +124,8 @@ processConnection workerHelper postGreet sock = do
 
           special <- case req of
             AddToStore {} -> do
+              -- This is a hack (but a pretty neat and fast one!)
+              -- it should parse nad stream NAR instead
               let proxyNarSource :: NarSource IO
                   proxyNarSource f =
                     liftIO