What should a worshipper do if he makes a mistake in his recitation or forgets a verse?

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Whoever adds or takes away a letter from the Qur’an deliberately has committed an act of kufr (disbelief)
Imaam waiting for members of the congregation during rukoo’

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Related Answers:
Person for whom the prayer is obligatory praying behind one who is offering a naafil prayer
Takbeer of movement (changing posture) for one who joins the congregation when the imam is bowing or prostrating
Should she leave the prayer in congregation because her child cries?
Whoever adds or takes away a letter from the Qur’an deliberately has committed an act of kufr (disbelief)
Imaam waiting for members of the congregation during rukoo’

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