diff --git a/src/warden-client/doc/example-receiver.pl.txt b/src/warden-client/doc/example-receiver.pl.txt
index 19a628749db699d06c58fce0e8f6f5afbfc61142..b5d1b3e366b41613db2917d6eb188ce5675a332c 100755
--- a/src/warden-client/doc/example-receiver.pl.txt
+++ b/src/warden-client/doc/example-receiver.pl.txt
@@ -1,6 +1,6 @@
 #!/usr/bin/perl -w
 #
-# Copyright (C) 2011-2012 Cesnet z.s.p.o
+# Copyright (C) 2011-2013 Cesnet z.s.p.o
 #
 # Use of this source is governed by a BSD-style license, see LICENSE file.  
 
diff --git a/src/warden-client/doc/example-sender-random.pl.txt b/src/warden-client/doc/example-sender-random.pl.txt
index bbbe80a08f20890082c543b55b424b961fc3ef14..fa15f8a5a93d914f2cb537598de6ab180f802325 100755
--- a/src/warden-client/doc/example-sender-random.pl.txt
+++ b/src/warden-client/doc/example-sender-random.pl.txt
@@ -1,36 +1,8 @@
 #!/usr/bin/perl -w
 #
-# sender.pl
-#
-# Copyright (C) 2011-2012 Cesnet z.s.p.o
-# Author(s):    Tomas PLESNIK   <plesnik@ics.muni.cz>
-#               Jan SOUKAL      <soukal@ics.muni.cz>
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-# 1. Redistributions of source code must retain the above copyright
-#    notice, this list of conditions and the following disclaimer.
-# 2. Redistributions in binary form must reproduce the above copyright
-#    notice, this list of conditions and the following disclaimer in
-#    the documentation and/or other materials provided with the
-#    distribution.
-# 3. Neither the name of the Cesnet z.s.p.o nor the names of its
-#    contributors may be used to endorse or promote products derived from
-#    this software without specific prior written permission.
-#
-# This software is provided ``as is'', and any express or implied
-# warranties, including, but not limited to, the implied warranties of
-# merchantability and fitness for a particular purpose are disclaimed.
-# In no event shall the Cesnet z.s.p.o or contributors be liable for
-# any direct, indirect, incidental, special, exemplary, or consequential
-# damages (including, but not limited to, procurement of substitute
-# goods or services; loss of use, data, or profits; or business
-# interruption) however caused and on any theory of liability, whether
-# in contract, strict liability, or tort (including negligence or
-# otherwise) arising in any way out of the use of this software, even
-# if advised of the possibility of such damage.
+# Copyright (C) 2011-2013 Cesnet z.s.p.o
 #
+# Use of this source is governed by a BSD-style license, see LICENSE file.  
 
 use Switch;
 use strict;
diff --git a/src/warden-client/doc/example-sender.pl.txt b/src/warden-client/doc/example-sender.pl.txt
index ed5cbcc1bde7bc313f1572f5747c39f797827e81..75a5e6726d94463a11c6ab71bce65d0b17c92c9f 100755
--- a/src/warden-client/doc/example-sender.pl.txt
+++ b/src/warden-client/doc/example-sender.pl.txt
@@ -1,6 +1,6 @@
 #!/usr/bin/perl -w
 #
-# Copyright (C) 2011-2012 Cesnet z.s.p.o
+# Copyright (C) 2011-2013 Cesnet z.s.p.o
 #
 # Use of this source is governed by a BSD-style license, see LICENSE file.  
 
diff --git a/src/warden-client/lib/WardenClientConf.pm b/src/warden-client/lib/WardenClientConf.pm
index a83d40f741ce10224c420eefdcac7883d5ff46e2..2085d309437cee223b5388b120facb8481e20515 100755
--- a/src/warden-client/lib/WardenClientConf.pm
+++ b/src/warden-client/lib/WardenClientConf.pm
@@ -2,7 +2,7 @@
 #
 # WardenClientConf.pm
 #
-# Copyright (C) 2011-2012 Cesnet z.s.p.o
+# Copyright (C) 2011-2013 Cesnet z.s.p.o
 #
 # Use of this source is governed by a BSD-style license, see LICENSE file.  
 
diff --git a/src/warden-client/lib/WardenClientReceive.pm b/src/warden-client/lib/WardenClientReceive.pm
index faf2d29b9fd2308d56b6b4858615c1502c3dfa3c..14c012b55c877061e25c7398d389594944bb2cc5 100755
--- a/src/warden-client/lib/WardenClientReceive.pm
+++ b/src/warden-client/lib/WardenClientReceive.pm
@@ -2,7 +2,7 @@
 #                                                                    
 # WardenClientReceive.pm
 #
-# Copyright (C) 2011-2012 Cesnet z.s.p.o
+# Copyright (C) 2011-2013 Cesnet z.s.p.o
 #
 # Use of this source is governed by a BSD-style license, see LICENSE file.  
 
diff --git a/src/warden-client/lib/WardenClientSend.pm b/src/warden-client/lib/WardenClientSend.pm
index a77b95c1d3f8149dc4e459f42373ef23c2daff39..793095ec39546bacfbdd2b7ccd7ba0e3c3792754 100755
--- a/src/warden-client/lib/WardenClientSend.pm
+++ b/src/warden-client/lib/WardenClientSend.pm
@@ -2,7 +2,7 @@
 #
 # WardenClientSend.pm
 #
-# Copyright (C) 2011-2012 Cesnet z.s.p.o
+# Copyright (C) 2011-2013 Cesnet z.s.p.o
 #
 # Use of this source is governed by a BSD-style license, see LICENSE file.