Rectify (verb)

1. To correct or set right; make true, accurate, or conformable to fact.
2. To correct or adjust (an error, mistake, etc.).
3. To make right or correct (a wrong, injustice, etc.).

Origin:

From latin rectus "right" + -ficare "to make".

Examples:

1. The company promised to rectify the mistake in the bill.
2. The teacher asked the student to rectify her answer.
3. The government took steps to rectify the injustice done to the minority community.
4. He has promised to rectify the errors in the manuscript before publication.
5. The engineer was asked to rectify the malfunction in the machine.