Source header files have: * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., 59 Temple * Place, Suite 330, Boston, MA 02111-1307 USA. */ This address is no longer valid (FSF moved). According to http://www.gnu.org/licenses/gpl-howto.html you should replace it simply with a link: You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. As a side note for the rename, you probibly want to add a xfce4-terminal bugzilla entry, and redirect the http://docs.xfce.org/apps/terminal/start page (or create a new one) for docs. ;)