1. touch up - Noun
2. touch up - Verb
alter so as to produce a more desirable appearance
Source: WordNettouch-up
This photograph has been retouched! Source: Internet
Like Zimmerman, George also took the opportunity for the Enterprise-D's screen debut to touch up its exterior. Source: Internet
Fact is that polished razor edges may be deadly sharp, but they make lousy cooking edges becase they tend to dull much more quickly and be harder to touch up quickly, than their roughter counterparts. Source: Internet
Don’t worry about leaving the house unprepared, because with a battery operated device like this, you can touch up anytime and anywhere even in the comforts of your own car. Source: Internet
Unfortunately all I had in my kitchen at the time was a blue pen, a black Sharpie, and some leftover touch-up paint for my front door. Source: Internet
If they take it to a local knife sharpener* once a year for a touch-up, it'll be a miracle. Source: Internet