Update README.md

Author: Bruce-zzhu

README.md

@@ -1,7 +1,7 @@
 # Loan-Register-Frontend
 
 Deployed dev env on Heroku: https://loan-register-frontend-dev.herokuapp.com/ </br>
-Deployed staging env https://loan-register-testing.herokuapp.com/
+Deployed staging env https://loan-register-testing.herokuapp.com/ </br>
 Production: https://loan-register.herokuapp.com/
 
 Check out our documentation: [Frontend Documentation](https://servermonkeys.atlassian.net/wiki/spaces/IP/pages/4456449/Frontend+Documentation)