diff --git a/docs-web/src/main/webapp/index.html b/docs-web/src/main/webapp/index.html
index b8aa0b95..61ea1a3a 100644
--- a/docs-web/src/main/webapp/index.html
+++ b/docs-web/src/main/webapp/index.html
@@ -1,8 +1,9 @@
-<!doctype html>
+<!DOCTYPE html>
 <html ng-app="docs">
   <head>
     <title>Sismics Docs</title>
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link rel="stylesheet" href="style/bootstrap.css" type="text/css" />
     <link rel="stylesheet/less" href="style/main.less" type="text/css" />
     <script>
