diff --git a/nixos/modules/system/boot/systemd.nix b/nixos/modules/system/boot/systemd.nix
index 66241b6382bc..7ae06b509a50 100644
--- a/nixos/modules/system/boot/systemd.nix
+++ b/nixos/modules/system/boot/systemd.nix
@@ -716,7 +716,7 @@ in
       (mkRemovedOptionModule [ "systemd" "generator-packages" ] "Use systemd.packages instead.")
       (mkRemovedOptionModule ["systemd" "enableUnifiedCgroupHierarchy"] ''
           In 256 support for cgroup v1 ('legacy' and 'hybrid' hierarchies) is now considered obsolete and systemd by default will refuse to boot under it.
-          To forcibly reenable cgroup v1 support, you can set boot.kernelParams = [ "systemd.unified_cgroup_hierachy=0" "SYSTEMD_CGROUP_ENABLE_LEGACY_FORCE=1" ].
+          To forcibly reenable cgroup v1 support, you can set boot.kernelParams = [ "systemd.unified_cgroup_hierarchy=0" "SYSTEMD_CGROUP_ENABLE_LEGACY_FORCE=1" ].
           NixOS does not officially support this configuration and might cause your system to be unbootable in future versions. You are on your own.
       '')
     ];