diff --git a/docs/Getting Started/NixOS/index.rst b/docs/Getting Started/NixOS/index.rst
index d11e7a8..ddd28d9 100644
--- a/docs/Getting Started/NixOS/index.rst	
+++ b/docs/Getting Started/NixOS/index.rst	
@@ -30,6 +30,10 @@ see below.
 
 Live image ships with ZFS support by default.
 
+Note that you need to apply these settings even if you don't need
+to boot from ZFS.  The kernel module 'zfs.ko' will not be available
+to modprobe until you make these changes and reboot.
+
 #. Import separate configration file for ZFS options::
 
     vim /etc/nixos/configuration.nix