Retouch (verb)

1. To touch up or make slight changes to a photograph, painting, or other image.
2. To revise, edit or improve something.

Origin:

French retoucher, from re- + toucher to touch.

Examples:

1. The photographer retouched the model's blemishes in the final print.
2. The artist retouched some parts of the painting to make them more realistic.
3. The magazine retouched the cover model's image to make her look thinner.
4. The manuscript needed a lot of retouching before it was ready to be published.
5. The politician's image was retouched to make him look more handsome.