Add LICENSE file

diff --git a/LICENSE.txt b/LICENSE.txt
new file mode 100644
index 0000000..b58b8b6
--- /dev/null
+++ b/LICENSE.txt
@@ -0,0 +1,19 @@
+Copyright (c) 2016 Andrew Mordecai
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from
+the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+   claim that you wrote the original software. If you use this software in
+   a product, an acknowledgement in the product documentation would be
+   appreciated but is not required.
+
+2. Altered source versions must be plainly marked as such, and must not be
+   misrepresented as being the original software.
+
+3. This notice may not be removed or altered from any source distribution.
diff --git a/SilverDragon_Overlay.toc b/SilverDragon_Overlay.toc
index 9c9b80b..be9c043 100644
--- a/SilverDragon_Overlay.toc
+++ b/SilverDragon_Overlay.toc
@@ -1,7 +1,10 @@
 ## Interface: 60200
+## Dependencies: SilverDragon, _NPCScan.Overlay
+
 ## Title: SilverDragon (Overlay)
 ## Notes: Better NPCScan Overlay integration for SilverDragon
 ## Author: Akkorian
-## Dependencies: SilverDragon, _NPCScan.Overlay
+## X-Email: armordecai@protonmail.ch
+## X-License: zlib/libpng License

 overlay.lua