When you rename a media set, any jobs that use that media set will display the new media set name.
To rename a media set
On the navigation bar, click Media.
In the Media selection pane, under Media Sets, select the media set you want to rename.
Under General Tasks on the task pane, click Rename.
In the Name field, type the new name you want to assign to this media set, and then click OK.
Renaming a media set