X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/19ae770973482257117fe8ded5619c3018c4b60f..78c88904151ad9ca890fc68adce54778a4346ee9:/apps/workbench/public/404.html

diff --git a/apps/workbench/public/404.html b/apps/workbench/public/404.html
index 9a48320a5f..4454c39695 100644
--- a/apps/workbench/public/404.html
+++ b/apps/workbench/public/404.html
@@ -1,5 +1,9 @@
+<!-- Copyright (C) The Arvados Authors. All rights reserved.
+
+SPDX-License-Identifier: AGPL-3.0 -->
+
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
   <title>The page you were looking for doesn't exist (404)</title>
   <style type="text/css">
