Update Meta: Order is important, closes joshbuchea#5

README.md

@@ -17,7 +17,9 @@ A collection of HTML head elements.
 
 ``` html
 <meta charset="utf-8">
+<meta http-equiv="x-ua-compatible" content="ie=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1">
+<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
 <meta name="keywords" content="your,keywords,here,comma,separated,no,spaces">
 <meta name="description" content="150 chars">
 <meta name="subject" content="your website's subject">