debian/copyright

-This package was debianized by Yves-Alexis Perez <corsac@corsac.net> on
-Tue, 16 Jan 2007 19:37:21 +0100
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: xfce4-timer-plugin
+Source: https://goodies.xfce.org/releases/xfce4-timer-plugin/
 
-It was downloaded from http://goodies.xfce.org/releases/xfce4-timer-plugin/
+Files: debian/*
+Copyright: 2007-2018 Yves-Alexis Perez <corsac@corsac.net>
+License: GPL-2.0+
 
-Copyright Holder:
-© 2005-2008 Kemal Ilgar Eroglu <kieroglu@math.washington.edu>
+Files: *
+Copyright: 2005-2014 Kemal Ilgar Eroğlu <ilgar_eroglu@yahoo.com>
+License: GPL-2.0+
 
-License:
-
-You are free to distribute this software under the terms of
-the GNU General Public License (version 2 or later).
-On Debian systems, the complete text of the GNU General Public
-License can be found in the file `/usr/share/common-licenses/GPL'
+License: GPL-2.0+
+ This package is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+ .
+ This package is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ .
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>
+ .
+ On Debian systems, the complete text of the GNU General
+ Public License version 2 can be found in "/usr/share/common-licenses/GPL-2".

debian/watch

 version=3
-http://archive.xfce.org/src/panel-plugins/xfce4-timer-plugin/([\d\.]+)/ \
+https://archive.xfce.org/src/panel-plugins/xfce4-timer-plugin/([\d\.]+)/ \
 	xfce4-timer-plugin-([\d\.]+)\.tar\.(?:gz|bz2)