diff --git a/README.md b/README.md
index 04f439b..ffdca9c 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 A terminal interface for Tetris
 
+[FORK: I forked this from github.com/samtay/tetris, but added optional level progression to the game, and level tracking, and all the corresponding UI elements]
+
 ![terminal-gif](./docs/img/play.gif)
 
 ## installation