diff --git a/README.md b/README.md
index c1a536d..9013f09 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 This is a prototype for a Lean 4 game platform. The project is based on ideas from the [Lean Game Maker](https://github.com/mpedramfar/Lean-game-maker) and the [Natural Number Game
 (NNG)](https://www.ma.imperial.ac.uk/~buzzard/xena/natural_number_game/)
 of Kevin Buzzard and Mohammad Pedramfar.
-The project is currently mostly copied from Patrick Massot's [NNG4](https://github.com/PatrickMassot/NNG4), but we plan to extend it significantly.
+The project is based on Patrick Massot's prototype: [NNG4](https://github.com/PatrickMassot/NNG4).
 
 Building this requires a [npm](https://www.npmjs.com/) toolchain. After cloning the repository you should run
 `npm install` to pull in all dependencies. For development and experimentation, you can run `npm start` that will perform a non-optimized build and then run a local webserver on port 3000.