diff --git a/README.md b/README.md
index e5bd158..3d80471 100644
--- a/README.md
+++ b/README.md
@@ -498,7 +498,12 @@ arch-chroot /mnt /bin/bash
 When done exit `chroot` and cleanly remove your work:
 
 ```
+# UEFI system ...
 umount /mnt/efi
+
+# ... or legacy BIOS system
+umount /mnt/boot/syslinux
+
 zfs umount -a
 zpool export zpool
 ```