Sunan Ibn Majah Book 1, Hadith 137

The Messenger of Allah rinsed his mouth and sniffed water up into his nostrils from one scoop of water.

Previous Hadith

"The Messenger of Allah said: 'When you perform ablution, start on the right.'" (Da'if)

Another chain with similar wording.

Sunan Ibn Majah Book 1, Hadith 136
Next Hadith

The Messenger of Allah performed ablution and he rinsed his mouth three times, and sniffed water up into his nose three times from one handful.

Sunan Ibn Majah Book 1, Hadith 138