Better Display of Backup Folder Name

This is the folder I back up to: /Users/Al/Library/Mobile Documents/com~apple~CloudDocs

Because the name is so long, the dialog that appears when backing up only shows a small part of the name. I’ve had some issues with it changing (working on two computers?), so it would be better if a wider dialog were used. As it is, it doesn’t tell me that it’s going to the right place: