Commentary explaining the meaning of the ayahs. One passage often covers several ayahs, so neighbouring ayahs can show the same text.
English Al-Mukhtasar tafsir for Surah Al-Haqqah — Ayah 13
فَإِذَا نُفِخَ فِي ٱلصُّورِ نَفۡخَةٞ وَٰحِدَةٞ ١٣
So when the appointed angel will blow into the trumpet once, being the second blowing.