Update configure-admin-consent-workflow.md

added clarity around when exactly about-to-expire reminder emails are sent out per customer escalation request:
https://identitydivision.visualstudio.com/Engineering/_queries/edit/2490539/?triage=true

Author: cfzhang6688

articles/active-directory/manage-apps/configure-admin-consent-workflow.md

@@ -47,7 +47,7 @@ To enable the admin consent workflow and choose reviewers:
 
    - **Select users, groups, or roles that will be designated as reviewers for admin consent requests** - Reviewers can view, block, or deny admin consent requests, but only global administrators can approve admin consent requests. People designated as reviewers can view incoming requests in the **My Pending** tab after they have been set as reviewers. Any new reviewers won't be able to act on existing or expired admin consent requests.
    - **Selected users will receive email notifications for requests** - Enable or disable email notifications to the reviewers when a request is made.  
-   - **Selected users will receive request expiration reminders** - Enable or disable reminder email notifications to the reviewers when a request is about to expire.
+   - **Selected users will receive request expiration reminders** - Enable or disable reminder email notifications to the reviewers when a request is about to expire. The 1st about-to-expire reminder email is likely sent out in the middle of the configured "Consent request expires after (days)". For example, if consent is configured to expire in 3 days, the 1st reminder email is usually sent out on the 2nd day, and the last expiration email is almost immediately out once the consent is expired.
    - **Consent request expires after (days)** - Specify how long requests stay valid.
 
 1. Select **Save**. It can take up to an hour for the workflow to become enabled.