The Cow 2:181. Juz 2, page 27.
فَمَنۢ بَدَّلَهُۥ بَعْدَ مَا سَمِعَهُۥ فَإِنَّمَآ إِثْمُهُۥ عَلَى ٱلَّذِينَ يُبَدِّلُونَهُۥٓ ۚ إِنَّ ٱللَّهَ سَمِيعٌ عَلِيمٌ١٨١And whoso changeth (the will) after he hath heard it - the sin thereof is only upon those who change it. Lo! Allah is Hearer, Knower.
Al-Baqarah 2:181, translated by Marmaduke Pickthall