Is repentance for peeping at a bathing woman sufficient, or does the woman have a right that must be restored?

A Muslim must lower his gaze, guard his chastity, fear Allah, and perform sincere repentance from sins such as lying and looking at forbidden things, for the one who repents from a sin is like one who has no sin. It is not a condition to inform the woman of the sin; rather, it is impermissible to inform her. He must conceal himself.