Meaning of the word "touch up a photograph" in English

What does "touch up a photograph" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

touch up a photograph

US /tʌtʃ ʌp ə ˈfoʊtəˌɡræf/
UK /tʌtʃ ʌp ə ˈfəʊtəˌɡrɑːf/
"touch up a photograph" picture

Phrase

to make small improvements or corrections to a photograph, often using editing software

Example:
I need to touch up a photograph before I post it online.
She spent hours trying to touch up a photograph to remove blemishes.