diff --git a/public/index-static.html b/public/index-static.html
index 61988d4..b9dfc26 100644
--- a/public/index-static.html
+++ b/public/index-static.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta charset="utf-8">
diff --git a/src/views/index.ejs b/src/views/index.ejs
index 5dcc37f..094fcdb 100644
--- a/src/views/index.ejs
+++ b/src/views/index.ejs
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta charset="utf-8">
