diff --git a/wp-includes/class-wp-customize-manager.php b/wp-includes/class-wp-customize-manager.php
index d4e53911c4..4d7bf3ba44 100644
--- a/wp-includes/class-wp-customize-manager.php
+++ b/wp-includes/class-wp-customize-manager.php
@@ -5436,7 +5436,7 @@ final class WP_Customize_Manager {
 				'section' => 'background_image',
 				'type'    => 'select',
 				'choices' => array(
-					'auto'    => __( 'Original' ),
+					'auto'    => _x( 'Original', 'Original Size' ),
 					'contain' => __( 'Fit to Screen' ),
 					'cover'   => __( 'Fill Screen' ),
 				),
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 5b14f39a90..2ea1e22dda 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-alpha-45493';
+$wp_version = '5.3-alpha-45494';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.