diff --git a/index.html b/index.html
index 91fb3eb..c46d27e 100644
--- a/index.html
+++ b/index.html
@@ -24,7 +24,7 @@
      <link rel="stylesheet" href="css/solitaire.min.css">
      <link rel="stylesheet" href="../css/solitaire.min.css">
      <link rel="stylesheet" href="./css/solitaire.min.css">
-
+<meta name="msvalidate.01" content="C29ED032BAF45F7F96EA7F9B26F93CC5" />
     <style>
       hr {
         background-color: #bacfc5;