diff --git a/utils/osmo-auc-gen.c b/utils/osmo-auc-gen.c
index 6b1e623..76c4927 100644
--- a/utils/osmo-auc-gen.c
+++ b/utils/osmo-auc-gen.c
@@ -1,6 +1,7 @@
-/* GSM/GPRS/3G authentication testing tool */
-
-/* (C) 2010-2012 by Harald Welte <laforge@gnumonks.org>
+/*! \file osmo-auc-gen.c
+ * GSM/GPRS/3G authentication testing tool. */
+/*
+ * (C) 2010-2012 by Harald Welte <laforge@gnumonks.org>
  *
  * All Rights Reserved
  *