diff --git a/nixos/doc/manual/installation/installing-from-other-distro.xml b/nixos/doc/manual/installation/installing-from-other-distro.xml
index 55623898827..ecd020a067a 100644
--- a/nixos/doc/manual/installation/installing-from-other-distro.xml
+++ b/nixos/doc/manual/installation/installing-from-other-distro.xml
@@ -227,6 +227,18 @@ $ sudo groupdel nixbld
line)
+ Support for NIXOS_LUSTRATE was added
+ in NixOS 16.09. The act of "lustrating" refers to the
+ wiping of the existing distribution. Creating
+ /etc/NIXOS_LUSTRATE can also be used on
+ NixOS to remove all mutable files from your root partition
+ (anything that's not in /nix or
+ /boot gets "lustrated" on the next
+ boot.
+ lustrate /ˈlʌstreɪt/ verb.
+ purify by expiatory sacrifice, ceremonial washing, or
+ some other ritual action.
+
Let's create the files: