(201) باب مَنْ قَالَ بَعْدَ التَّسْلِيمِ
Narrated Abdullah ibn Ja'far:
The Prophet (ﷺ) said: Anyone who is in doubt in his prayer should make two prostrations after giving the salutation. (RU)
Reference (RU): Sunan Abi Dawud 1033 (RU)
In-book reference (RU): Book 2, Hadith 644 (RU)
English translation (RU): Book 3, Hadith 1028 (RU)