--- a/plugins/mod_http_errors.lua	Mon Jul 11 12:20:25 2016 +0200
+++ b/plugins/mod_http_errors.lua	Tue Jul 12 10:39:04 2016 +0200
@@ -43,7 +43,8 @@
         <p>$message</p>
         <p>$extra</p>
 </body>
-</html>]];
+</html>
+]];
 html = html:gsub("%s%s+", "");
 
 local entities = {