ただ
tadasu

Godan Verb (su)

1. to correct; to rectify; to reform; to amend; to redress

Transitive
間違 まちがいがあれば ただしなさい。
machigaiga areba tadashinasai.
Correct errors, if any.
Godan Verb (su)

2. to straighten (one's posture, collar, etc.); to adjust

Transitive
Related to 襟を正す