Another Benefit of Understanding Quran in Arabic and not Depending on Translations

Why in this verse it says إن هذانِ لساحرانِ for those know about Arabic language a little bit will say that wrong it should be إن هذين لساحران which is in a different Qiraat of Quran, but the first verse written is from Qiraat Hafas and ibn Katheer. Some scholars ofArabic language will say what it means