Acronis True Image 2016: Renaming Backups

How do I rename my backup?

All Acronis True Image 2016 backups that are not stored in Acronis Cloud, have names like this: my_documents_inc_b2_s3_v1.tib. See detailed explanation of each part of the name in the user guide at http://www.acronis.com/en-us/support/documentation/ATI2016/#22747.html