diff --git a/sys/dev/usb/dsbr100io.h b/sys/dev/usb/dsbr100io.h
index aa53eadd461..811c3a72b8e 100644
--- a/sys/dev/usb/dsbr100io.h
+++ b/sys/dev/usb/dsbr100io.h
@@ -1,4 +1,4 @@
-/*
+/*-
  * Copyright (c) 2001 M. Warner Losh
  * All rights reserved.
  *