Index: wp-content/themes/twentythirteen/header.php
===================================================================
--- wp-content/themes/twentythirteen/header.php	(revision 24011)
+++ wp-content/themes/twentythirteen/header.php	(working copy)
@@ -40,10 +40,10 @@
 	<div id="page" class="hfeed site">
 		<header id="masthead" class="site-header" role="banner">
 			<a href="<?php echo esc_url( home_url( '/' ) ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home">
-				<hgroup>
+				<div class="hgroup">
 					<h1 class="site-title"><?php bloginfo( 'name' ); ?></h1>
 					<h2 class="site-description"><?php bloginfo( 'description' ); ?></h2>
-				</hgroup>
+				</div>
 			</a>
 
 			<div id="navbar" class="navbar">
Index: wp-content/themes/twentythirteen/js/theme-customizer.js
===================================================================
--- wp-content/themes/twentythirteen/js/theme-customizer.js	(revision 24011)
+++ wp-content/themes/twentythirteen/js/theme-customizer.js	(working copy)
@@ -22,13 +22,13 @@
 		value.bind( function( to ) {
 			if ( 'blank' == to ) {
 				if ( 'remove-header' == _wpCustomizeSettings.values.header_image )
-					$( '#masthead hgroup' ).css( 'min-height', '0' );
+					$( '#masthead .hgroup' ).css( 'min-height', '0' );
 				$( '.site-title, .site-description' ).css( {
 					'clip': 'rect(1px, 1px, 1px, 1px)',
 					'position': 'absolute'
 				} );
 			} else {
-				$( '#masthead hgroup' ).css( 'min-height', '230px' );
+				$( '#masthead .hgroup' ).css( 'min-height', '230px' );
 				$( '.site-title, .site-description' ).css( {
 					'clip': 'auto',
 					'color': to,
Index: wp-content/themes/twentythirteen/inc/custom-header.php
===================================================================
--- wp-content/themes/twentythirteen/inc/custom-header.php	(revision 24011)
+++ wp-content/themes/twentythirteen/inc/custom-header.php	(working copy)
@@ -103,7 +103,7 @@
 	<?php
 			if ( empty( $header_image ) ) :
 	?>
-		.site-header hgroup {
+		.site-header .hgroup {
 			min-height: 0;
 		}
 	<?php
Index: wp-content/themes/twentythirteen/css/ie.css
===================================================================
--- wp-content/themes/twentythirteen/css/ie.css	(revision 24011)
+++ wp-content/themes/twentythirteen/css/ie.css	(working copy)
@@ -34,7 +34,7 @@
 	left: 100%;
 }
 
-.site-header hgroup {
+.site-header .hgroup {
 	max-width: 1040px;
 }
 
Index: wp-content/themes/twentythirteen/style.css
===================================================================
--- wp-content/themes/twentythirteen/style.css	(revision 24011)
+++ wp-content/themes/twentythirteen/style.css	(working copy)
@@ -70,7 +70,6 @@
 figure,
 footer,
 header,
-hgroup,
 nav,
 section,
 summary {
@@ -807,7 +806,7 @@
 	position: relative;
 }
 
-.site-header hgroup {
+.site-header .hgroup {
 	margin: 0 auto;
 	max-width: 1080px;
 	padding: 0 20px;
@@ -3260,7 +3259,7 @@
 		background-image: none !important;
 	}
 
-	.site-header hgroup {
+	.site-header .hgroup {
 		min-height: 0;
 		max-width: none;
 	}