How to reset Ubuntu Backup (Deja Dup) login credentials for remote location

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http://askubuntu.com – I configured Deja Dup to perform backups to my remote ftp server and had it remember the credentials to log in so that it could continue these automatically. How do I edit/update the credentials it has stored, or have it erase them? (Running Oneric 11.10 w/ Unity) (HowTos)