set right

Also, put right.

Place something in proper position; also, repair something. For example, Your tie is lopsided; let me set it right, or The faucets were in backwards but the plumber will soon put them right. [Second half of 1500s]

Correct someone, as in They thought he was married but he quickly set them right.

Make something accurate or fair, as in He offered to pay for the meal to put things right. Also see set straight.