diff --git a/404.html b/404.html
index b51a05d..755f397 100644
--- a/404.html
+++ b/404.html
@@ -1,5 +1,5 @@
 <!doctype html>
-<html>
+<html lang="en">
 
 <head>
   <meta charset="UTF-8" />
diff --git a/template.html b/template.html
index 5f44d81..350e179 100644
--- a/template.html
+++ b/template.html
@@ -1,5 +1,5 @@
 <!doctype html>
-<html>
+<html lang="en">
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width" />
