X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/16f704326f44fd1e5e5e60b936c9b5895d6a6ff8..2c854a99434c76e0165543bedfe9e97a1fe81ae8:/services/api/public/404.html

diff --git a/services/api/public/404.html b/services/api/public/404.html
index abb9f8039e..4454c39695 100644
--- a/services/api/public/404.html
+++ b/services/api/public/404.html
@@ -3,7 +3,7 @@
 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">
