Remove unneeded end tag.

docs/one.html

@@ -6,7 +6,7 @@
     <meta name="description" content="">
     <meta name="author" content="">
     <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no">
-    <link rel="shortcut icon" href="favicon.ico"/>
+    <link rel="shortcut icon" href="favicon.ico">
     <meta name="apple-mobile-web-app-capable" content="yes">
     <meta name="apple-mobile-web-app-status-bar-style" content="black">
     <link rel="stylesheet" href="/dist/ratchet.css">