diff --git a/src/sim/card_fs_uicc.c b/src/sim/card_fs_uicc.c
index 27afe34..8ff8936 100644
--- a/src/sim/card_fs_uicc.c
+++ b/src/sim/card_fs_uicc.c
@@ -1,4 +1,5 @@
-/* ETSI UICC specific structures / routines */
+/*! \file card_fs_uicc.c
+ * ETSI UICC specific structures / routines. */
 /*
  * (C) 2012 by Harald Welte <laforge@gnumonks.org>
  *