Correction
Revision
noun, verbal noun, の adjective
When you revise something to make it correct you are doing a correction and revision.
訂正 refers to officially correcting mistakes in written or spoken content, like documents, reports, or statements. It can describe both the act of correcting and the correction itself.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
もし私の日本語に間違いがあれば、その場で訂正してもらってもいいですか？
If I make a mistake in Japanese would you mind correcting it on the spot for me?