Code sources files (PHP/CSS/JS/...) that you create should contain the following code header:
# Card Stories - A social game where your goal is to find out a card, based
# on a sentence made up by one of the players
#
# Copyright (C) 2010 - Farsides <email address hidden>
# Author: Pramendra Choubey <email address hidden>
#
# 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/>.
