On general media set properties, you can change the following:
Name of a media set
Overwrite protection and append periods for a media set
Media vault and the vaulting periods associated with a media set.
To edit the general properties for media sets
On the navigation bar, click Media.
In the Media selection pane, under Media Sets, select a media set.
Under General Tasks on the task pane, click Properties.
To change the media set name or overwrite or append periods, click the General tab.
See General properties for media sets.
Select the appropriate options, and then click OK.