Surah An-Nur 24:9

وَٱلْخَـٰمِسَةَ أَنَّ غَضَبَ ٱللَّهِ عَلَيْهَآ إِن كَانَ مِنَ ٱلصَّـٰدِقِينَ

And the fifth [oath will be] that the wrath of Allāh be upon her if he was of the truthful.

Translation: Saheeh International

Tafsir

and a fifth time that God’s wrath shall be upon her if he were being truthful therein.

Excerpt from Tafsir al-Jalalayn, commentary on 24:9, via Quran.com. The reader has the full commentary and 9 more tafsirs.