diff --git a/html/geomap.html b/html/geomap.html
index 229dcee..1d7ab71 100644
--- a/html/geomap.html
+++ b/html/geomap.html
@@ -1,6 +1,7 @@
+<!DOCTYPE html>
 <html xmlns="http://www.w3.org/1999/xhtml">
 <head>
-  <meta http-equiv="content-type" content="text/html;charset=utf-8">
+  <meta http-equiv="content-type" content="text/html;charset=utf-8" />
   <link rel="stylesheet" href="theme/default/style.css" type="text/css" />
   <link href='style.css' rel='stylesheet' type='text/css' />
 
