README: fix repo name in restic command

README.md

@@ -46,5 +46,5 @@ using the following command, assuming the user exporting the repository is
 called `restic` and the server is called `backupsrv`:
 
 ```
-restic -o rclone.program='ssh restic@backupsrv' -r rclone:repo {init,backup,...}
+restic -o rclone.program='ssh restic@backupsrv' -r rclone:home-backup {init,backup,...}
 ```