diff --git a/frontend/README.md b/frontend/README.md
index f566828c02..2ef1c1cb44 100644
--- a/frontend/README.md
+++ b/frontend/README.md
@@ -25,4 +25,7 @@ npm install
 npm run start:heroku
 ```
 
+## UI Framework
+Currently using [react-mdl](https://tleunen.github.io/react-mdl/components/) which is a deprecated and closed project.
+
 Happy coding!