Backend info in readme

README.md

@@ -6,6 +6,7 @@ To run the application you must first run ``npm install`` in the root directory
 You must also run ``cd backend`` and then ``npm install`` there as well. While you are in the
 **backend** directory run ``npm start ``, as the backend must run before the app can run.
 You must then open a new terminal and run ``npm start `` at the root directory of the project.
+Backend will work on ``localhost:8080``.
 
 Then everything should work to check the project out, and it will open the app on ``localhost:3000``.