Surah Al-Ahzab 33:69
يَـٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوا۟ لَا تَكُونُوا۟ كَٱلَّذِينَ ءَاذَوْا۟ مُوسَىٰ فَبَرَّأَهُ ٱللَّهُ مِمَّا قَالُوا۟ ۚ وَكَانَ عِندَ ٱللَّهِ وَجِيهًا
O you who have believed, be not like those who abused Moses; then Allāh cleared him of what they said. And he, in the sight of Allāh, was distinguished.
Translation: Saheeh International
Tafsir
O you who believe do not behave towards your Prophet as did those who harmed Moses — when they would say for example ‘The only reason he does not wash with us is that he has an inflammation in his testicles’ — whereat God absolved him of what they alleged when Moses placed his robe on a rock to go to wash the rock …
Excerpt from Tafsir al-Jalalayn, commentary on 33:69, via Quran.com. The reader has the full commentary and 9 more tafsirs.