1 files changed, 1 insertions, 1 deletions
diff --git a/index.html b/index.html
index 81bbb90..c97d183 100644
--- a/index.html
+++ b/index.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
 "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
-<html>
+<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
 <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
 <meta name="description" content="description"/>