Supplication for someone you have spoken ill to

اَللّٰہُمَّ فَاَیُّمَا مُؤْمِنٍ سَبَبْتُہٗ فَاجْعَلْ ذٰلِکَ لَہٗ قُرْبَۃً إِلَیْکَ یَوْمَ الْقِیٰمَۃِ

O Allah, to any believer whom I have insulted, let that be cause to draw him near to You on the Day of Resurrection.