Sunan Abi Dawud 21519
In-book no 1015حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مُعَاذٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا شُعْبَةُ، عَنْ سَعْدِ بْنِ إِبْرَاهِيمَ، سَمِعَ أَبَا سَلَمَةَ بْنَ عَبْدِ الرَّحْمَنِ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم صَلَّى الظُّهْرَ فَسَلَّمَ فِي الرَّكْعَتَيْنِ فَقِيلَ لَهُ نَقَصَتِ الصَّلاَةُ فَصَلَّى رَكْعَتَيْنِ ثُمَّ سَجَدَ سَجْدَتَيْنِ .
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).