license on readme

README.md

@@ -53,3 +53,21 @@ all them are used within lettuce tests
 1. [Cucumber](http://cukes.info/) crew, for creating such a AWESOME project, and for inspiring [Lettuce](http://lettuce.it/).
 2. [Tatiana](http://github.com/tatiana) for helping a lot with documentation.
 3. [Django](http://djangoproject.com) which documentation structure was borrowed.
+
+# License
+
+    <Lettuce - Behaviour Driven Development for python>
+    Copyright (C) <2010>  Gabriel Falcão <gabriel@nacaolivre.org>
+
+    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 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.