diff --git a/src/gsm/gsm0414.c b/src/gsm/gsm0414.c
index 84d393d..616d7d9 100644
--- a/src/gsm/gsm0414.c
+++ b/src/gsm/gsm0414.c
@@ -1,3 +1,5 @@
+/*! \file gsm0414.c */
+
 #include <osmocom/gsm/protocol/gsm_04_14.h>
 #include <osmocom/core/utils.h>