diff --git a/src/tmp/wokkel/delay.py b/src/tmp/wokkel/delay.py
index 4de09959..0af1ad83 100644
--- a/src/tmp/wokkel/delay.py
+++ b/src/tmp/wokkel/delay.py
@@ -1,5 +1,53 @@
 # -*- test-case-name: wokkel.test.test_delay -*-
 #
+# SàT adaptation for wokkel.delay
+# Copyright (C) 2015 Adien Cossa (souliane@mailoo.org)
+# Copyright (c) 2003-2012 Ralph Meijer.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program 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 Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# --
+
+# This program is based on wokkel (https://wokkel.ik.nu/),
+# originaly written by Ralph Meijer
+# It is sublicensed under AGPL v3 (or any later version) as allowed by the original
+# license.
+
+# --
+
+# Here is a copy of the original license:
+
+# Copyright (c) 2003-2012 Ralph Meijer.
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
 # Copyright (c) Ralph Meijer.
 # See LICENSE for details.
 
diff --git a/src/tmp/wokkel/mam.py b/src/tmp/wokkel/mam.py
index 37996024..7432a65e 100644
--- a/src/tmp/wokkel/mam.py
+++ b/src/tmp/wokkel/mam.py
@@ -1,5 +1,21 @@
 # -*- test-case-name: wokkel.test.test_mam -*-
 #
+# SàT Wokkel extension for Message Archive Management (XEP-0313)
+# Copyright (C) 2015 Adien Cossa (souliane@mailoo.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program 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 Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
 # Copyright (c) Adrien Cossa.
 # See LICENSE for details.
 
diff --git a/src/tmp/wokkel/pubsub.py b/src/tmp/wokkel/pubsub.py
index 3401e8aa..f6210889 100755
--- a/src/tmp/wokkel/pubsub.py
+++ b/src/tmp/wokkel/pubsub.py
@@ -1,7 +1,52 @@
 # -*- test-case-name: wokkel.test.test_pubsub -*-
 #
-# Copyright (c) Ralph Meijer.
-# See LICENSE for details.
+# SàT adaptation for wokkel.pubsub
+# Copyright (C) 2015 Adien Cossa (souliane@mailoo.org)
+# Copyright (c) 2003-2012 Ralph Meijer.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program 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 Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# --
+
+# This program is based on wokkel (https://wokkel.ik.nu/),
+# originaly written by Ralph Meijer
+# It is sublicensed under AGPL v3 (or any later version) as allowed by the original
+# license.
+
+# --
+
+# Here is a copy of the original license:
+
+# Copyright (c) 2003-2012 Ralph Meijer.
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 """
 XMPP publish-subscribe protocol.
diff --git a/src/tmp/wokkel/rsm.py b/src/tmp/wokkel/rsm.py
index 6aac96b4..6ad41268 100644
--- a/src/tmp/wokkel/rsm.py
+++ b/src/tmp/wokkel/rsm.py
@@ -1,7 +1,20 @@
 # -*- test-case-name: wokkel.test.test_rsm -*-
 #
-# Copyright (c) Adrien Cossa.
-# See LICENSE for details.
+# SàT Wokkel extension for Result Set Management (XEP-0059)
+# Copyright (C) 2015 Adien Cossa (souliane@mailoo.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program 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 Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 """
 XMPP Result Set Management protocol.