diff --git a/trle.c b/trle.c
index 9608a52..e6e2cac 100644
--- a/trle.c
+++ b/trle.c
@@ -1,6 +1,6 @@
 /**
-    Copyright (C) powturbo 2015-2018
-    GPL v2 License
+    Copyright (C) powturbo 2015-2023
+    SPDX-License-Identifier: GPL v2 License
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by