Aisha (RAA) narrated, ‘I asked the Messenger of Allah (ﷺ) ‘O Messenger of Allah (ﷺ), if I know what night the night of Qadr is, what should I say during it?’ He said,
“Say:
O Allah, You are the Pardoner and You love to pardon, so pardon me."
[Tirmidhi, Bukhari]