diff --git a/debian/copyright b/debian/copyright
index 36c5155..ddbfb9c 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -3,10 +3,26 @@ Upstream-Name: lxqt-session
 Source: https://github.com/lxde/lxqt-session
 
 Files: *
-Copyright: 2012-2015 LXQt team
-           2010-2012 Razor team
+Copyright: Copyright (c) 2010-2012 Razor team
+           Copyright (c) 2012-2014 LXQt team
 License: LGPL-2.1+
 
+Files: lxqt-config-session/autostartedit.*
+       lxqt-config-session/autostartitem.*
+       lxqt-config-session/autostartpage.*
+       lxqt-config-session/modulemodel.*
+Copyright: Copyright (C) 2011-2012  Alec Moskvin <alecm@gmx.com>
+License: LGPL-2.1+
+
+Files: lxqt-config-session/basicsettings.*
+       lxqt-config-session/defaultappspage.*
+       lxqt-config-session/environmentpage.*
+       lxqt-config-session/main.cpp
+       lxqt-config-session/sessionconfigwindow.*
+Copyright: Copyright 2010-2012 LxQt team
+License: LGPL-2.1+
+
+
 Files: debian/*
 Copyright: 2014-2015 Alf Gaida <agaida@siduction.org>
            2015      Andrew Lee (李健秋) <ajqlee@debian.org>