diff --git a/README.txt b/README.txt
index c209c46..3405139 100644
--- a/README.txt
+++ b/README.txt
@@ -8,6 +8,24 @@ in the Minetest Engine.
 The Minetest Engine can be found in:
   https://github.com/minetest/minetest/
 
+Adventuretest License
+------------------------------------------
+Copyright (C) 2013-2014 Brandon Bohannon <brandon@bremaweb.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser 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.
+
 License of default mods source code
 -----------------------------------
 Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>