"Mild makeover" refers to making small changes or improvements to someone's appearance, usually through subtle adjustments rather than drastic transformations. Full definition
Well, this is a nice surprise: A comparatively mild makeover for the 2003 Lincoln LS has turned it into what is probably the best American - brand sedan. (articles.orlandosentinel.com)
The E-Class» mild makeover also permeates into the interior. (automobilemag.com)
In essence, the XJR 575 is a fairly mild makeover of an ageing car. (evo.co.uk)