<div id="content" class="site-content" role="main">
<header class="page-header">
- <h1 class="page-title"><?php _e( 'Not found', 'twentythirteen' ); ?></h1>
+ <h1 class="page-title"><?php _e( 'Not Found', 'twentythirteen' ); ?></h1>
</header>
<div class="page-wrapper">