(4) باب بَيَانِ أَنَّ تَخْيِيرَ امْرَأَتِهِ لاَ يَكُونُ طَلاَقًا إِلاَّ بِالنِّيَّةِ
'A'isha reported that Allah's Messenger (ﷺ) gave option to his wives, but it was not a divorce.
Reference: Sahih Muslim 1477 c
In-book reference: Book 18, Hadith 35
USC-MSA web (English) reference(deprecated numbering scheme): Book 9, Hadith 3502