Merge pull request #6 from amandamartin-dev/patch-1

update db ping call in readme

Author: hubertnguyen

README.md

@@ -49,7 +49,7 @@ MONGODB_URI=mongodb+srv://USERNAME:[email protected]/?r
 2. You can test your credentials by using the code's API endpoint
 
 ```
-<siteroot>/api/ping/
+<siteroot>/api/test_mongodb/
 ```
 
 Find the site's root URL by going to the "Ports" tab and click on the globe icon of port 80