فَبَدَّلَ ٱلَّذِينَ ظَلَمُواْ مِنۡهُمۡ قَوۡلًا غَيۡرَ ٱلَّذِي قِيلَ لَهُمۡ فَأَرۡسَلۡنَا عَلَيۡهِمۡ رِجۡزٗا مِّنَ ٱلسَّمَآءِ بِمَا كَانُواْ يَظۡلِمُونَ ١٦٢
But those who wronged among them changed [the words] to a statement other than that which had been said to them. So We sent upon them a punishment from the sky for the wrong that they were doing.
Translation: Saheeh International (English)
Each word's meaning and sound
But the wrongdoers among them changed the words they were told to say, and said ‘A grain in a rite’, instead of asking for forgiveness, as they had been instructed to; and they changed what they had been told to do by entering whilst dragging themselves on their rears, rather than entering in humility to Allah, lowering their heads. So Allah sent them a punishment from the heaven because of their disobedience.
Al-Mukhtasar in interpreting the Noble Quran