diff --git a/examples/sslechoserver/sslechoclient.html b/examples/sslechoserver/sslechoclient.html
index ddae9dab97c8922cee4b0ae9c9ec373574d4ba5b..b9faa44afde8d3fa91b7e9f8fbc0eb3720fb0028 100644
--- a/examples/sslechoserver/sslechoclient.html
+++ b/examples/sslechoserver/sslechoclient.html
@@ -1,6 +1,8 @@
+<!DOCTYPE html>
<html>
<head>
<title>Websocket Echo Client</title>
+ <meta charset="utf-8">
</head>
<body>
<h1>Websocket Echo Client</h1>