Index: fgeometry.c
===================================================================
--- fgeometry.c	(revision 14042)
+++ fgeometry.c	(revision 14043)
@@ -1,7 +1,9 @@
 /*
  *                            COPYRIGHT
  *
- *  PCB, interactive printed circuit board design - 2d geometry helpers
+ *  pcb-rnd, interactive printed circuit board design
+ *  pcb-rnd, interactive printed circuit board design
+ *  (this file is based on PCB, interactive printed circuit board design)
  *  Copyright (C) 2017 Luis de Arquer <ldearquer@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
Index: rubberband.c
===================================================================
--- rubberband.c	(revision 14042)
+++ rubberband.c	(revision 14043)
@@ -1,7 +1,9 @@
 /*
  *                            COPYRIGHT
  *
- *  PCB, interactive printed circuit board design
+ *  pcb-rnd, interactive printed circuit board design
+ *  pcb-rnd, interactive printed circuit board design
+ *  (this file is based on PCB, interactive printed circuit board design)
  *  Copyright (C) 1994,1995,1996 Thomas Nau
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -18,9 +20,10 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- *  Contact addresses for paper mail and Email:
- *  Thomas Nau, Schlehenweg 15, 88471 Baustetten, Germany
- *  Thomas.Nau@rz.uni-ulm.de
+ *  Contact:
+ *    Project page: http://repo.hu/projects/pcb-rnd
+ *    lead developer: email to pcb-rnd (at) igor2.repo.hu
+ *    mailing list: pcb-rnd (at) list.repo.hu (send "subscribe")
  *
  */
 /* functions used by 'rubberband moves' */
Index: rubberband.h
===================================================================
--- rubberband.h	(revision 14042)
+++ rubberband.h	(revision 14043)
@@ -1,7 +1,8 @@
 /*
  *                            COPYRIGHT
  *
- *  PCB, interactive printed circuit board design
+ *  pcb-rnd, interactive printed circuit board design
+ *  (this file is based on PCB, interactive printed circuit board design)
  *  Copyright (C) 1994,1995,1996 Thomas Nau
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -18,9 +19,10 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- *  Contact addresses for paper mail and Email:
- *  Thomas Nau, Schlehenweg 15, 88471 Baustetten, Germany
- *  Thomas.Nau@rz.uni-ulm.de
+ *  Contact:
+ *    Project page: http://repo.hu/projects/pcb-rnd
+ *    lead developer: email to pcb-rnd (at) igor2.repo.hu
+ *    mailing list: pcb-rnd (at) list.repo.hu (send "subscribe")
  *
  */