Update active-directory-aadconnect-user-signin.md

[annabarh]

added sentence about AAD representing trust boundary for fedeartion

[PRmerger]

@annabarh : Thanks for your contribution to the Azure documentation! The author, @billmath, has been notified to review your proposed change.

[mtillman]

@billmath please review and sign-off. Thanks.

[billmath]

@annabarh I would move this into a Note and place it below the links.

Note

It is important to remember that by configuring federation for Azure AD, you are establish a trust between your Azure AD tenant and your federated domain. With this trust, federated domain users will have access to the Azure AD cloud resources within the tenant.

This will make it more prominent and call it out right after the federated link. Can you update this and re-submit.

Thanks!

#hold-off

[billmath]

also, should be establishing. My bad. :-)

[MicrosoftGuyJFlo]

Closing PR and adding to private repo. Thank you for your contribution.

[MicrosoftGuyJFlo]

#please-close