The Prophet ﷺ said, "Do not let the bedouins overcome you regarding the name of your prayer."
حدثنا يحيى عن ابن عجلان قال حدثني سعيد
عن النبي ﷺ قال لا تغلبنكم أهل البادية على اسم صلاتكم
Its isnad is sahih. It has already appeared before, and it is found in Bukhari 8/144 and Muslim, in the Book of Iman, 263.