Add clarification and change bullets format
Add clarification and change bullets format

Since the doc is under API Authorization and getting only an `id_token` does not make much sense in that context.
yvonnewilson/docs,yvonnewilson/docs,yvonnewilson/docs,jeffreylees/docs,auth0/docs,jeffreylees/docs,auth0/docs,jeffreylees/docs,auth0/docs