diff --git a/wp-admin/includes/class-wp-upgrader.php b/wp-admin/includes/class-wp-upgrader.php
index 760d598515..fb1bd4722c 100644
--- a/wp-admin/includes/class-wp-upgrader.php
+++ b/wp-admin/includes/class-wp-upgrader.php
@@ -116,7 +116,7 @@ class WP_Upgrader {
 	 *
 	 * @since 2.8.0
 	 *
-	 * @param WP_Upgrader_Skin $skin The upgrader skin to use. Default is a WP_Upgrader_Skin.
+	 * @param WP_Upgrader_Skin $skin The upgrader skin to use. Default is a WP_Upgrader_Skin
 	 *                               instance.
 	 */
 	public function __construct( $skin = null ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 230f92f119..07b2c0ed0a 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-alpha-47568';
+$wp_version = '5.5-alpha-47570';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.