Surah Al-Baqarah 2:181

فَمَنۢ بَدَّلَهُۥ بَعْدَ مَا سَمِعَهُۥ فَإِنَّمَآ إِثْمُهُۥ عَلَى ٱلَّذِينَ يُبَدِّلُونَهُۥٓ ۚ إِنَّ ٱللَّهَ سَمِيعٌ عَلِيمٌ

Then whoever alters it [i.e., the bequest] after he has heard it - the sin is only upon those who have altered it. Indeed, Allāh is Hearing and Knowing.

Translation: Saheeh International

Tafsir

Then if anyone whether a witness or a trustee changes it that is the testament after hearing it and knowing it the sin resulting from the changed testament shall rest upon those who change it here the explicit subject stands in place of the implicit one; …

Excerpt from Tafsir al-Jalalayn, commentary on 2:181, via Quran.com. The reader has the full commentary and 9 more tafsirs.