Step 3.b doesn't seem to exist in the UI.

Also looks like there is a little typo in the title:

⚠Do not edit this section. It is required for docs.microsoft.com ➟ GitHub issue linking.
@Tiberriver256, Thank you for your feedback! We have assigned this issue to the author to review further and take the next course of action.
@Tiberriver256 - Thank you. I will remove that step. This feature was enabled for Service Bus and Event Hubs, not for Relay yet.
Fixed the article. #please-close
Thank you!
Looks like the title still has a typo in it @spelluru

Will fix it now. Thanks @Tiberriver256