Aisha said: “O Messenger of Allah! What if I knew which night Lailat al-Qadr was, what should I say in it?”
He ﷺ said, “Say Allahumma innaka ‘affuwwun tuhibbul ‘afwa fa’fu ‘annee.
“O Allah You are The One Who pardons greatly, and loves to pardon, so pardon me.”
(Tirmidhi & Ibn Maja)