Ibn ‘Umar told that he heard God’s Messenger say, “If anyone beats a servant for an offence he did not commit, or slaps him, the atonement due from him is to set him free.” Muslim transmitted it.
Hadith Referenceمشكوة المصابيح / كتاب النكاح / 3352
Hadith Gradingالألبانی:صَحِيح | زبیر علی زئی:صحيح
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «رواه مسلم (657/30)»