diff --git a/skin/base.phps b/skin/base.phps
index c43c262..d7b4cf0 100644
--- a/skin/base.phps
+++ b/skin/base.phps
@@ -43,6 +43,7 @@ return <<<HTML
     {$ctx->if_not($opts['inside_admin_interface'], fn() => $ctx->render_external_counters())}
 </body>
 </html>
+<!-- rootless -->
 {$ctx->if_admin(fn() => "<!-- {$exec_time} s -->")}
 HTML;
 }
