Changing Amazon S3 Bucket for backups

Hi, I am backing up my Jumpboxes through the Amazon S3 service. I want to point the Jumpboxes each to specific buckets - do I do that through:
/jumpbox/application_portal/vendor/gems/aws-0.4.0/lib/aws/s3/base.rb

If so, what lines should I change?

Thanks

more..

I'm pretty sure the above mentioned file is not the one that I edit. Basically I changed the name of the Bucket on Amazon S3 to something a bit more meaningful, and now the backup interface gives me this message:

Last Backup Date: ERROR: /jumpbox/application_portal/privileged_scripts/ubuntu/lib/../../../vendor/gems/aws-0.4.0/lib/aws/s3/error.rb:38:in `raise': The bucket you are attempting to access must be addressed using the specified endpoint. Please send all future requests to this endpoint. (AWS::S3::PermanentRedirect) from /jumpbox/application_portal/privileged_scripts/ubuntu/lib/../../../vendor/gems/aws-0.4.0/lib/aws/s3/base.rb:72:in `request' from /jumpbox/application_portal/privileged_scripts/ubuntu/lib/../../../vendor/gems/aws-0.4.0/lib/aws/s3/base.rb:83:in `get' from /jumpbox/application_portal/privileged_scripts/ubuntu/lib/../../../vendor/gems/aws-0.4.0/lib/aws/s3/bucket.rb:102:in `find' from /jumpbox/application_portal/privileged_scripts/ubuntu/lib/../../../vendor/gems/aws-0.4.0/lib/aws/s3/bucket.rb:145:in `objects' from /jumpbox/application_portal/privileged_scripts/ubuntu/lib/../../../vendor/gems/aws-0.4.0/lib/aws/s3/bucket.rb:314:in `reload!' from /jumpbox/application_portal/privileged_scripts/ubuntu/lib/../../../vendor/gems/aws-0.4.0/lib/aws/s3/bucket.rb:243:in `objects' from /jumpbox/application_portal/privileged_scripts/ubuntu/lib/backup.rb:189:in `get_last_backup_date' from /jumpbox/application_portal/privileged_scripts/ubuntu/lib/backup.rb:188:in `each' from /jumpbox/application_portal/privileged_scripts/ubuntu/lib/backup.rb:188:in `get_last_backup_date' from /jumpbox/application_portal/privileged_scripts/ubuntu/lib/utils.rb:176:in `send' from /jumpbox/application_portal/privileged_scripts/ubuntu/lib/utils.rb:176:in `execute_method' from /jumpbox/application_portal/privileged_scripts/ubuntu/app.rb:91
Next Backup Date: Sat Jun 19 01:30:00 +1000 2010

I only got this message when I changed the bucket name, so assumably if I can point the Jumpbox to the correct bucket name this issue would resolve.

Thanks