diff --git a/modules/nixos/impermanence/rollback.nix b/modules/nixos/impermanence/rollback.nix
index a1cb032..9158c31 100644
--- a/modules/nixos/impermanence/rollback.nix
+++ b/modules/nixos/impermanence/rollback.nix
@@ -29,7 +29,7 @@ in {
       mkdir -p /btrfs-tmp
       mount -t btrfs "${cfg.device}" /btrfs-tmp
 
-      # If the moribound subvolume exists, send it do 'death row' (old-roots),
+      # If the moribund subvolume exists, send it do 'death row' (old-roots),
       # where live for about three days before its eventual deletion.
       if [[ -e "/btrfs-tmp/${cfg.subvolume}" ]]; then
           mkdir -p /btrfs-tmp/old-roots