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