diff --git a/Language/Haskell/GhcMod/HomeModuleGraph.hs b/Language/Haskell/GhcMod/HomeModuleGraph.hs
index f39fdbf..e9e2a85 100644
--- a/Language/Haskell/GhcMod/HomeModuleGraph.hs
+++ b/Language/Haskell/GhcMod/HomeModuleGraph.hs
@@ -240,6 +240,7 @@ updateHomeModuleGraph' env smp0 = do
                mns = map (unLoc . ideclName)
                    $ filter (isNothing . ideclPkgQual)
                    $ map unLoc hsmodImports
+           -- TODO: handle package qualifier "this"
            liftIO $ Set.fromList . catMaybes <$> mapM (findModulePath env) mns
 
 preprocessFile :: (IOish m, GmEnv m, GmState m) =>