1 files changed, 4 insertions, 0 deletions
diff --git a/trace.c b/trace.c
index 456d277..b814d01 100644
--- a/trace.c
+++ b/trace.c
@@ -1,3 +1,7 @@
+/*
+ * Copyright (C) 2020 Tomasz Kramkowski <tk@the-tk.com>
+ * SPDX-License-Identifier: MIT
+ */
 #include <stdarg.h>
 #include <stdio.h>