diff --git a/src/debug/valgrind/native.c b/src/debug/valgrind/native.c
index d9c6fb6..53cf145 100644
--- a/src/debug/valgrind/native.c
+++ b/src/debug/valgrind/native.c
@@ -1,3 +1,4 @@
+// This file is part of libfringe, a low-level green threading library.
 // Copyright (c) 2015, edef <edef@edef.eu>
 // See the LICENSE file included in this distribution.
 #include <stdint.h>