expression, ichidan verb
correct a fault; mend one's ways
A formal, somewhat literary expression for acknowledging and correcting one's own mistake or wrongdoing. Often used in moral or reflective contexts.
過ちを改めるのに遅すぎることはない。
It is never too late to mend one's ways.
彼は自分の過ちを改める勇気を持
He had the courage to correct his own fault.