Customize AuthorizationMBS Message?

I’m using AuthorizationMBS to get admin rights for a Flush DNS Cache feature in Lifeboat. I’m hoping I can add more information to the authorization dialog, but I’m not seeing how I might do that.

Does anybody know I might do this?

Screen Shot 2020-12-12 at 20.18.28

Example of the message changing:
Screen Shot 2020-12-12 at 20.18.54