diff --git a/nixos/machines/kaalut/configuration.nix b/nixos/machines/kaalut/configuration.nix
index a49a060..82cb306 100644
--- a/nixos/machines/kaalut/configuration.nix
+++ b/nixos/machines/kaalut/configuration.nix
@@ -83,7 +83,7 @@
       group = "stalwart-mail";
       mode = "0440";
     };
-    # password for https://stalw.art/docs/auth/authorization/administrator/#fallback-administrator
+    # password for https://stalw.art/docs/auth/authorization/administrator/#fallback-administrator encoded to be supplied in the basic auth header
     stalwartAdmin = {
       sopsFile = ./stalwartAdmin.yaml;
       owner = "stalwart-mail";