doc UPDATE updates and improvements
diff --git a/src/tree_data_new.c b/src/tree_data_new.c
index 7a965a3..4051aab 100644
--- a/src/tree_data_new.c
+++ b/src/tree_data_new.c
@@ -4,7 +4,7 @@
  * @author Michal Vasko <mvasko@cesnet.cz>
  * @brief Data tree new functions
  *
- * Copyright (c) 2015 - 2022 CESNET, z.s.p.o.
+ * Copyright (c) 2015 - 2024 CESNET, z.s.p.o.
  *
  * This source code is licensed under BSD 3-Clause License (the "License").
  * You may not use this file except in compliance with the License.