1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/nixos/modules/services/backup/zfs-replication.nix b/nixpkgs/nixos/modules/services/backup/zfs-replication.nix
index 5a64304275d..6d75774c78f 100644
--- a/nixpkgs/nixos/modules/services/backup/zfs-replication.nix
+++ b/nixpkgs/nixos/modules/services/backup/zfs-replication.nix
@@ -18,7 +18,7 @@ in {
       };
 
       host = mkOption {
-        description = "Remote host where snapshots should be sent.";
+        description = "Remote host where snapshots should be sent. <literal>lz4</literal> is expected to be installed on this host.";
         example = "example.com";
         type = types.str;
       };