diff --git a/README.md b/README.md
index db91c32..2e1d7d8 100644
--- a/README.md
+++ b/README.md
@@ -1,24 +1,31 @@
 Nether Mod for Minetest
 
-##License of source code:
+## License of source code:
 
 Copyright (C) 2013 PilzAdam
 
-This program is free software. It comes without any warranty, to
-the extent permitted by applicable law. You can redistribute it
-and/or modify it under the terms of the Do What The Fuck You Want
-To Public License, Version 2, as published by Sam Hocevar. See
-http://sam.zoy.org/wtfpl/COPYING for more details.
+Permission to use, copy, modify, and/or distribute this software for
+any purpose with or without fee is hereby granted, provided that the
+above copyright notice and this permission notice appear in all copies.
 
-##License of media (textures and sounds)
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
+BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
+OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+## License of media (textures and sounds)
 
 Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
 http://creativecommons.org/licenses/by-sa/3.0/
 
-##Authors of media files
+## Authors of media files
 
 Everything not listed in here:
 Copyright (C) 2013 PilzAdam
 
-nether_rack.png: Zeg9
-nether_glowstone.png: BlockMen
+ - nether_rack.png: Zeg9
+ - nether_glowstone.png: BlockMen
diff --git a/init.lua b/init.lua
index 1684243..fda34c6 100644
--- a/init.lua
+++ b/init.lua
@@ -1,3 +1,26 @@
+
+--[[
+
+  Nether mod for minetest
+
+  Copyright (C) 2013 PilzAdam
+
+  Permission to use, copy, modify, and/or distribute this software for
+  any purpose with or without fee is hereby granted, provided that the
+  above copyright notice and this permission notice appear in all copies.
+
+  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+  WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+  WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
+  BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
+  OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+  WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+  ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+  SOFTWARE.
+
+]]--
+
+
 -- Parameters
 
 local NETHER_DEPTH = -5000