(Addariyath) 51 : 60
فَوَيْلٌ لِلَّذِينَ كَفَرُوا مِنْ يَوْمِهِمُ الَّذِي يُوعَدُونَ
Then the Vail valley is for those who disbelieved the Day which they are promised with.
The wrongdoers mentioned in the previous verse is the disbelievers mentioned in this verse. See explanation 2: 254; 29: 68; 34: 31-33; and 38: 27-28.