You can modify the name of the archivepoint so it provides better information on the contents, but if you do this from the EV Administrator Console it will revert back the next time the archivepoint has data written to it.
To permanently change the naming, use
archivepoints update \\servername\share\path file.xml,
where file.xml looks something like this:
The extra information you want the name to contain
Since all my FSA targets have the same shares as Volumes (Users, Groups) I used prefix to append SiteName to each archivepoint.