diff --git a/poppler/Sound.cc b/poppler/Sound.cc
index c42051c..db74713 100644
--- a/poppler/Sound.cc
+++ b/poppler/Sound.cc
@@ -1,6 +1,6 @@
 /* Sound.cc - an object that holds the sound structure
  * Copyright (C) 2006-2007, Pino Toscano <pino@kde.org>
- * Copyright (C) 2009, 2017, 2018, Albert Astals Cid <aacid@kde.org>
+ * Copyright (C) 2009, 2017-2019, Albert Astals Cid <aacid@kde.org>
  *
  * 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