Index: cdt.c
===================================================================
--- cdt.c	(revision 33933)
+++ cdt.c	(revision 33934)
@@ -1,7 +1,7 @@
 /*
     libcdtr - Constrained Delaunay Triangulation using incremental algorithm
 
-    Copyright (C) 2018 Wojciech Krutnik
+    Copyright (C) 2018,2021 Wojciech Krutnik
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
Index: cdt.h
===================================================================
--- cdt.h	(revision 33933)
+++ cdt.h	(revision 33934)
@@ -1,7 +1,7 @@
 /*
     libcdtr - Constrained Delaunay Triangulation using incremental algorithm
 
-    Copyright (C) 2018 Wojciech Krutnik
+    Copyright (C) 2018,2021 Wojciech Krutnik
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
Index: debug.c
===================================================================
--- debug.c	(revision 33933)
+++ debug.c	(revision 33934)
@@ -1,7 +1,8 @@
 /*
     libcdtr - Constrained Delaunay Triangulation using incremental algorithm
 
-    Copyright (C) 2018 Wojciech Krutnik
+    Copyright (C) 2018, 2021 Wojciech Krutnik
+    Copyright (C) 2021 Tibor 'Igor2' Palinkas
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public