diff --git a/wp-admin/custom-header.php b/wp-admin/custom-header.php
index 2335c7b63a..7546bb8542 100644
--- a/wp-admin/custom-header.php
+++ b/wp-admin/custom-header.php
@@ -835,6 +835,8 @@ wp_nonce_field( 'custom-header-options', '_wpnonce-custom-header-options' ); ?>
 	 * Display third step of custom header image page.
 	 *
 	 * @since 2.1.0
+	 * @since 4.4.0 Switched to using wp_get_attachment_url() instead of the guid
+	 *              for retrieving the header image URL.
 	 */
 	public function step_3() {
 		check_admin_referer( 'custom-header-crop-image' );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 5dc9b9be78..1ff988ad4e 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34227';
+$wp_version = '4.4-alpha-34228';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.