On this page:
https://the-field-guide-to-security-training-in-the-newsroom.readthedocs.io/en/latest/Chapter02-05-Good-Hygiene-For-Apps.html
If you're logged in to google (and maybe other things) as multiple users, the link under "google" will send you to your default auth user. Might be worth adding a note about how to get to other users (by clicking on your profile picture on the top right and cycling through your users).