(197) باب السَّهْوِ فِي السَّجْدَتَيْنِ
Abu Hurairah reported; The Prophet (ﷺ) offered the noon prayer and he gave the salutation at the end of two rakahs. He was asked. Has the prayer been shortened ? then he offered two rakahs of the prayer and made two prostrations (at the end of it).
Reference: Sunan Abi Dawud 1014
In-book reference: Book 2, Hadith 625
English translation: Book 2, Hadith 1009