fixed typo in html snippet

snippets/html.snippets

@@ -111,7 +111,7 @@ snippet head
 	<head>
 		<meta http-equiv="content-type" content="text/html; charset=utf-8"`Close()`>
 		
-	<title>${1:`substitute(Filename('', 'Page Title'), '^.', '\u&', '')`}</title>
+		<title>${1:`substitute(Filename('', 'Page Title'), '^.', '\u&', '')`}</title>
 		${2}
 	</head>
 snippet title