diff --git a/moo/mod/ffi.c b/moo/mod/ffi.c
index baadda1..81d26a0 100644
--- a/moo/mod/ffi.c
+++ b/moo/mod/ffi.c
@@ -1,4 +1,4 @@
-/*arg
+/*
  * $Id$
  *
     Copyright (c) 2014-2018 Chung, Hyung-Hwan. All rights reserved.