Retouch
Retouch , transitive verb
[Prefix re- + touch: compare French retoucher.]
1.
To touch again, or rework, in order to improve; to revise; as, to retouch a picture or an essay.
2.
(Photography) To correct or change, as a negative, by handwork.
Retouch , noun
(Fine Arts) A partial reworking,as of a painting, a sculptor's clay model, or the like.