updated readme

README.md

@@ -26,16 +26,20 @@ https://wiki.cpi.imtek.uni-freiburg.de/CPIvServerDocumentation/ElabOnZfs
 ## restoring backups ##
 
 1. copy a snapshot backup to the NAS
+
     ```
     cd /mnt/Datenspeicher/snap-backup-dataset/temporary-backups/
     scp -i ../backup_key zfs_snap_backup@etha.cpi.imtek.uni-freiburg.de:~/zfs-backups/<backup-file> tmp-backup-file.gz
     ```
+
 2. unzip the backup file and restore it into a dataset
+
     ```
     gunzip -c tmep-backup-file.gz | zfs receive -F Datenspeicher/test-backup
     ```
 
 3. remove the (local) backup file
+
     ```
     rm tmp-backup-file.gz
     ```