diff --git a/engine/client/s_dsp.c b/engine/client/s_dsp.c
index 14957b0b..6a88b20f 100644
--- a/engine/client/s_dsp.c
+++ b/engine/client/s_dsp.c
@@ -1,6 +1,7 @@
 /*
 s_dsp.c - digital signal processing algorithms for audio FX
 Copyright (C) 2009 Uncle Mike
+Copyright (C) 2016-2024 Alibek Omarov
 
 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