diff --git a/etc/sso_callback_template.html b/etc/sso_callback_template.html
index c6997dc466..6aa8530a05 100644
--- a/etc/sso_callback_template.html
+++ b/etc/sso_callback_template.html
@@ -1,19 +1,20 @@
 <!DOCTYPE html>
-<html xmlns="http://www.w3.org/1999/xhtml">
+<html lang="en">
   <head>
+    <meta charset="utf-8">
     <title>Keystone WebSSO redirect</title>
   </head>
   <body>
      <form id="sso" name="sso" action="$host" method="post">
        Please wait...
-       <br/>
-       <input type="hidden" name="token" id="token" value="$token"/>
+       <br>
+       <input type="hidden" name="token" id="token" value="$token">
        <noscript>
          <input type="submit" name="submit_no_javascript" id="submit_no_javascript"
-            value="If your JavaScript is disabled, please click to continue"/>
+            value="If your JavaScript is disabled, please click to continue">
        </noscript>
      </form>
-     <script type="text/javascript">
+     <script>
        window.onload = function() {
          document.forms['sso'].submit();
        }
