Retouch /(?)/

Re·touch

Retouch

v. t.
  1. To touch again, or rework, in order to improve; to revise; as, to retouch a picture or an essay.
  2. To correct or change, as a negative, by handwork. (Photog.)

Retouch

n.
  1. A partial reworking,as of a painting, a sculptor's clay model, or the like. (Fine Arts)