(55) باب فِي الاِسْتِنْثَارِ
The version of Ibn Juraij has the working:
"If you perform ablution, then rinse your mouth." (FR)
Reference (FR): Sunan Abi Dawud 144 (FR)
In-book reference (FR): Book 1, Hadith 144 (FR)
English translation (FR): Book 1, Hadith 144 (FR)