To Correct
transitive verb, godan verb
This word is made up of a kanji with some hiragana attached, ending in an う sound. That means this word is a verb. The kanji itself means "correct," so what is the verb form of that? It would be to correct.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you:
After you correct something for someone, you yell out ta da (ただ) very excitedly. Go ahead and imagine yourself doing this a few times to help you to remember.
まちがいを正す
to correct an error
えりを正す
to straighten one's collar
メガネを正す
to straighten one's glasses
タスクはシステムエラーを正すことです。
My task is to correct system errors.
左右のロゴのポジションを正した。
I corrected the position of the logos on left and right.
あの人はエラーをひたすら正すプログラマーです。
That person is a programmer who's dedicated for correcting errors.