diff --git a/src/stats.c b/src/stats.c
index a523259..b39ec53 100644
--- a/src/stats.c
+++ b/src/stats.c
@@ -1,3 +1,4 @@
+/*! \file stats.c */
 /*
  * (C) 2015 by Sysmocom s.f.m.c. GmbH
  *