Bulugh al-Maram 8 Marriage كتاب النكاح 136

وَلِمُسْلِمٍ : { إِذَا حَرَّمَ اَلرَّجُلُ عَلَيْهِ اِمْرَأَتَهُ , فَهِيَ يَمِينٌ يُكَفِّرُهَا } 1 . 1 – صحيح . رواه مسلم ( 1473 ).

Muslim has: “When a man makes his wife unlawful for himself, it is (treated like) an oath for which atonement must be made (if broken).”