Update readme.md

readme.md

@@ -16,7 +16,7 @@ This repository was originally forked from **https://github.com/oxwhirl/pymarl**
 and **https://github.com/carolinewang01/dm2**. 
 The MAPPO baseline comes from **https://github.com/uoe-agents/epymarl**.
 The GAT-RNN structure is adapted from **https://github.com/starry-sky6688/MARL-Algorithms**.
-The instant incentive inference module is adapted from **https://github.com/usaywook/gin**.
+The idea of the instant incentive inference module is adapted from **https://github.com/usaywook/gin**.
 
 # About
 *   Multi-agent Reinforcement Learning