diff --git a/lottery.html b/lottery.html
index 1e3105a..9455c93 100644
--- a/lottery.html
+++ b/lottery.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-  <meta charset="UTF-8">
+  <meta char="UTF-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Lottery verify</title>
@@ -103,4 +103,4 @@ <h2 class="text-center">Output</h2>
     ReactDOM.render(<Lottery />, document.getElementById("app"));
   </script>
 </body>
-</html>
\ No newline at end of file
+</html>
