#docs fix wrong port (#343)

diff --git a/frontend-new/README.md b/frontend-new/README.md
index ffde571..d0d3f53 100644
--- a/frontend-new/README.md
+++ b/frontend-new/README.md
@@ -9,7 +9,7 @@
 ### `npm run start`
 
 Runs the app in the development mode.\
-Open [http://localhost:3003](http://localhost:3000) to view it in your browser.
+Open [http://localhost:3003](http://localhost:3003) to view it in your browser.
 
 The page will reload when you make changes.\
 You may also see any lint errors in the console.