Expand description according to #641

bin/v-restore-user

@@ -5,7 +5,8 @@
 #
 # example: v-restore-user admin 2019-04-22_01-00-00.tar
 #
-# The function for restoring user from backup.
+# The function for restoring user from backup. To be able to restore the backup,
+# the archive needs to be placed in /backup.
 
 
 #----------------------------------------------------------#