diff --git a/nixos/modules/services/web-apps/nextcloud.nix b/nixos/modules/services/web-apps/nextcloud.nix
index a8142cf42d75..32ee744f1395 100644
--- a/nixos/modules/services/web-apps/nextcloud.nix
+++ b/nixos/modules/services/web-apps/nextcloud.nix
@@ -381,7 +381,8 @@ in {
         type = types.str;
         description = lib.mdDoc ''
           The full path to a file that contains the admin's password. Must be
-          readable by user `nextcloud`.
+          readable by user `nextcloud`. The password is set only in the initial
+          setup of nextcloud by the systemd `nextcloud-setup.service`.
         '';
       };