diff --git a/idx.h b/idx.h
index d13cc40..4ad743c 100644
--- a/idx.h
+++ b/idx.h
@@ -1,5 +1,5 @@
 /**
-    Copyright (C) powturbo 2013-2019
+    Copyright (C) powturbo 2013-2023
     GPL v2 License
 
     This program is free software; you can redistribute it and/or modify