Sahih Muslim Hadith 1285

English

[1285] 94 ( … ) It was narrated that 'Abdullâh said: "The Messenger of Allah iJ offered Salât, and he added or omitted something" – Ibrâhlm (a narrator) said: "I am not sure." "It was said: '0 Messenger of Allah, has something been added to the prayer?' He said: 'I am human like you, and I forget as you forget. If one of you forgets something, let him prostrate twice while he is sitting.' Then the Messenger of Allah ii turned around and prostrated twice.