Update README.md

README.md

@@ -76,7 +76,7 @@ D-Rep is created by [Wenhao Wang](https://wangwenhao0716.github.io/), Dr. [Yifan
 
 # License
 
-We release our D-Rep under the [MIT license](https://opensource.org/license/mit). 
+We release our D-Rep under the [CC-BY-NC-4.0 license](https://creativecommons.org/licenses/by-nc/4.0/deed.en). 
 
 # Helpful Links