update configuration profile section (#22479)

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## Description

context: https://docker.slack.com/archives/C027X59V596/p1745407376922009

## Related issues or tickets

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## Reviews

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- [ ] Technical review
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---------

Co-authored-by: Allie Sadler <102604716+aevesdocker@users.noreply.github.com>

Author: karman-docker

content/manuals/security/for-admins/enforce-sign-in/methods.md

@@ -121,6 +121,8 @@ tampered with by the users.
 
 4. Use a MDM solution to distribute your modified `.mobileconfig` file to your macOS clients. 
 
+5. Verify that the profile is added to **Device (Managed)** profiles list (**System Settings** > **General** > **Device Management**) on your macOS clients.
+
 ## plist method (Mac only)
 
 > [!NOTE]