diff --git a/nixos/modules/services/backup/tarsnap.nix b/nixos/modules/services/backup/tarsnap.nix
index 7c9dedb67ad2..59e9d122fb50 100644
--- a/nixos/modules/services/backup/tarsnap.nix
+++ b/nixos/modules/services/backup/tarsnap.nix
@@ -115,7 +115,7 @@ in
                 description = ''
                   Print global archive statistics upon completion.
                   The output is available via
-                  <command>systemctl status tarsnap@archive-name</command>.
+                  <command>systemctl status tarsnap-archive-name</command>.
                 '';
               };