--- a/tt.c	Mon Mar 15 23:26:05 2010 +0100
+++ b/tt.c	Mon Mar 15 23:27:21 2010 +0100
@@ -1,3 +1,23 @@
+/*
+  tt 1.0 - Time Tracker
+    (Instructions using -h)
+
+  Copyright (C) 2010 Lluís Batlle i Rossell
+  
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU General Public License
+  as published by the Free Software Foundation; either version 2
+  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 General Public License for more details.
+  
+  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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
 #define _POSIX_C_SOURCE 1
 #define _XOPEN_SOURCE 500