Surah Ghafir 40:6

وَكَذَٰلِكَ حَقَّتْ كَلِمَتُ رَبِّكَ عَلَى ٱلَّذِينَ كَفَرُوٓا۟ أَنَّهُمْ أَصْحَـٰبُ ٱلنَّارِ

And thus has the word [i.e., decree] of your Lord come into effect upon those who disbelieved that they are companions of the Fire.

Translation: Saheeh International

Tafsir

And thus was the word of your Lord — namely the verse Assuredly I will fill Hell … Q. 11119 — fulfilled against those who disbelieve that they shall be the inhabitants of the Fire annahum ashābu’l-nāri substitutes for kalimatu ‘the word’.

Excerpt from Tafsir al-Jalalayn, commentary on 40:6, via Quran.com. The reader has the full commentary and 9 more tafsirs.