diff --git a/headers/private/kernel/tracing.h b/headers/private/kernel/tracing.h
index 202e0fba32..d5204e7599 100644
--- a/headers/private/kernel/tracing.h
+++ b/headers/private/kernel/tracing.h
@@ -1,3 +1,8 @@
+/*
+ * Copyright 2008, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Copyright 2008, Axel Dörfler, axeld@pinc-software.de.
+ * Distributed under the terms of the MIT License.
+ */
 #ifndef KERNEL_TRACING_H
 #define KERNEL_TRACING_H