(112) Chapter: For one you have insulted
(112) الدعاء لِمَنْ سببته
Hisn al-Muslim 230
Allāhumma fa'ayyumā mu'minin sababtuhu faj`al dhālika lahu qurbatan ilayka yawma ‘l-qiyāmah.
O Allah, whomever of the believers I have abused, give him the reward of a sacrificial slaughter for it on the Day of Resurrection.
Reference: Al-Bukhari, cf. Al-Asqalani, Fathul-Bari 11/171, Muslim 4/2007. The wording in Muslim's report is: 'make it a purification for him and a source of mercy.
قال صلى الله عليه وسلم: "اللَّهُم فأيُّما مؤمن سببته فاجعل ذلك له قربة إليك يوم القيامة".
Reference: Hisn al-Muslim 230