diff --git a/nixos/modules/services/security/vaultwarden/default.nix b/nixos/modules/services/security/vaultwarden/default.nix
index 638a56f56610..470db735bf64 100644
--- a/nixos/modules/services/security/vaultwarden/default.nix
+++ b/nixos/modules/services/security/vaultwarden/default.nix
@@ -55,6 +55,7 @@ in {
       description = lib.mdDoc ''
         The directory under which vaultwarden will backup its persistent data.
       '';
+      example = "/var/backup/vaultwarden";
     };
 
     config = mkOption {