You can modify the name, retention period, and backup time of a snapshot policy as instructed below.
Directions
1. Log in to the VPC console and select Diagnostic Tools > Snapshot Policy on the left sidebar. 2. On the Snapshot Policy page, click Modify Policy on the right of the target policy.
3. In the Modify Snapshot Policy pop-up window, make changes as needed.
For Operation-Triggered Backup, you can modify the policy name and snapshot retention period.
For Scheduled Backup, you can modify the policy name, backup time, and snapshot retention period.
4. Click OK.