Update README.md

README.md

@@ -1,13 +1,15 @@
 MAtmos
 ======
 
-MAtmos, a Minecraft mod.
+MAtmos is a sound atmosphere generator for Minecraft.
+
+## MAtmos 2020 "Zen" demo video
+[![](http://img.youtube.com/vi/3F85g3e2_MY/0.jpg)](http://www.youtube.com/watch?v=3F85g3e2_MY "")
+
+----
 
 MAtmos source code requires some custom libraries/classes found at https://github.com/Hurricaaane/MC-Commons/ (WTFPLv2).
-1.8 Fork at: https://github.com/dags-/MC-Commons
+1.12.2 Fork at: https://github.com/makamys/MC-Commons
 
 The (net.sf.) PracticalXML library (Apache License) is also required to compile versions that include the XML expansion converter:
 - net.sf.practicalxml.*
-
-Requires a LiteLoader workspace. Before decompiling, make sure you have followed the instructions located at:
-https://www.assembla.com/code/liteloader/subversion/nodes/202/LiteLoader/trunk/README.md