-# This script is used to simplify testing with the /dev/disk/zpool/[A-Z][1-n]
-# devices. It assumes that you have already populated /dev/disk/zpool/ by
-# creating an /etc/zfs/zdev.conf file based on your system design. You may
-# use the zpool_layout command or manually create your own config file.
+# This script is used to test with the /dev/disk/by-vdev/[A-Z][1-n] devices.
+# It assumes that you have already populated /dev/disk/by-vdev/ by creating
+# an /etc/zfs/vdev_id.conf file based on your system design.