A "mini makeover" refers to a small and quick transformation or improvement in appearance, typically done on a person, room, or object. Full definition
Since she's a repeat guest, I wanted to give the guest room a little mini makeover for her. (prettyhandygirl.com)
If you remember my master bedroom mini makeover a couple months ago, you will notice a few new things added... I'll share more in another post. (shadesofblueinteriors.com)
But a simple mini makeover can add both beauty and function to this daily - use space. (bhg.com)