To touch up

to repair; to improve by touches or emendation.

See also: Touch

References in periodicals archive ?
Hard wax sticks are one way to touch up and repair a nicked finished piece - even at final inspection.
His crew has five days to touch up the ``rich gold'' Oscar paint, sometimes called ``brass.
Featuring complete make-overs to touch ups, all clients are treated to educated, experienced professionals offering upscale customer service in an intimate setting, without the intimidation of a department store setting, helping customers achieve their best look.