This one line change enables backups on our aws rds mariadb database.

Will not land until I've confirmed that after wiping database, I'm able to restore our database point in time to a reasonable prior state (AWS says this is typically 5 minutes).

Deleted the database. The time frame given wasn't 5 minutes, it was actually an hour after but I believe this time varies.
Was able to initialize a new db instance prior to deleting the database and confirm data was there