From Sahih Muslim (Hadith 3609):
Abu Sa'id al-Khudri (Allah be pleased with him) reported that Allah's Apostle (ﷺ) sent a small army. The rest of the hadith is the same except this that he said:Except what your right hands possess out of them are lawful for you; and he did not mention" when their 'idda period comes to an end
Reference: Muslim 3609