diff --git a/wp-admin/custom-background.php b/wp-admin/custom-background.php
index 85d4e9c984..1975b10b74 100644
--- a/wp-admin/custom-background.php
+++ b/wp-admin/custom-background.php
@@ -244,7 +244,7 @@ class Custom_Background {
 </div>
 		<?php } ?>
 
-<h3><?php _e( 'Background Image' ); ?></h3>
+<h2><?php _e( 'Background Image' ); ?></h2>
 
 <table class="form-table" role="presentation">
 <tbody>
@@ -338,7 +338,7 @@ class Custom_Background {
 </tbody>
 </table>
 
-<h3><?php _e( 'Display Options' ); ?></h3>
+<h2><?php _e( 'Display Options' ); ?></h2>
 <form method="post">
 <table class="form-table" role="presentation">
 <tbody>
diff --git a/wp-admin/custom-header.php b/wp-admin/custom-header.php
index 00692d35b2..2cf26600d2 100644
--- a/wp-admin/custom-header.php
+++ b/wp-admin/custom-header.php
@@ -488,7 +488,7 @@ class Custom_Image_Header {
 </div>
 		<?php } ?>
 
-<h3><?php _e( 'Header Image' ); ?></h3>
+<h2><?php _e( 'Header Image' ); ?></h2>
 
 <table class="form-table" role="presentation">
 <tbody>
@@ -687,7 +687,7 @@ class Custom_Image_Header {
 
 		<?php if ( current_theme_supports( 'custom-header', 'header-text' ) ) : ?>
 
-<h3><?php _e( 'Header Text' ); ?></h3>
+<h2><?php _e( 'Header Text' ); ?></h2>
 
 <table class="form-table" role="presentation">
 <tbody>
diff --git a/wp-includes/version.php b/wp-includes/version.php
index de974a1823..36da9571c3 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-alpha-45410';
+$wp_version = '5.3-alpha-45411';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.