diff --git a/platform/exp5438/duty-cycle-scroller.c b/platform/exp5438/duty-cycle-scroller.c
index 971d5b039..42b601061 100644
--- a/platform/exp5438/duty-cycle-scroller.c
+++ b/platform/exp5438/duty-cycle-scroller.c
@@ -1,4 +1,4 @@
-h/*
+/*
  * Copyright (c) 2006, Swedish Institute of Computer Science.
  * All rights reserved.
  *