If it’s a 25 word key then replace the 25th word with ‘boat’. Same for 24 words, you’ll have to add the 25th word ‘boat’.
Currently the 25th word changes daily with the first 24 being the same. You can check the 25th word at
https://alexeybarabash.github.io/25th-brave-sync-word/
You have to add / replace it with the word each day.