updated readme

Author: Grant

README.md

@@ -15,7 +15,7 @@ into 2 stages:
 
 Before you can get started with this example, you'll need to obtain an API token from SalesLoft. This
 can be done by emailing [[email protected]](mailto:[email protected]). You will need a redirect uri to do so. Please
-provide `https://localhost:8443` if you want to authorize this example code.
+provide `https://localhost:8443/auth/salesloft/callback` if you want to authorize this example code.
 
 ## Running Server to Authorize