"Admin" in field username in admin.php?users/username/user_id/edit

[Robert9]

I click on a user's name, then on the icon for moderator tools, and then on "Edit." The form with the user's data appears. In the field for the name, it says "Admin." I have to reload the page for the correct username to show. Is it my browser that's putting "Admin" in the field, or is it XenForo?
"Admin" in field username in admin.php?users/username/user_id/edit

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