A great benefit a forgotten Sunnah.

عن أبي هريرة رضي الله عنه قال

قال قال رسول الله صلى الله عليه وسلم

“ﺗﻜﻔﻴﺮ ﻛﻞ ﻟﺤﺎء ﺭﻛﻌﺘﺎﻥ ”

. ﺭﻭاﻩ ﺗﻤﺎﻡ اﻟﺮاﺯﻱ ﻓﻲ “ اﻟﻔﻮاﺋﺪ ” وحسنه الألباني

Narrated Abu Huraira the Prophet ﷺ said

“The expiation for every argument/dispute is two units of prayer.

Reported by Taamaam Ar-Raazi in his book الفوائد

Sheikh Albaani grades the Hadith Hassan in Silsilahtul As-Saheehah, vol. 4, p. 397.