diff --git a/wp-admin/includes/update.php b/wp-admin/includes/update.php
index 03cd1f2bcd..be653440f6 100644
--- a/wp-admin/includes/update.php
+++ b/wp-admin/includes/update.php
@@ -574,14 +574,19 @@ function wp_plugin_update_row( $file, $plugin_data ) {
 		 *     @type string $author_name Plugin author's name.
 		 *     @type bool   $update      Whether there's an available update. Default null.
 		 * }
-		 * @param object $response {
-		 *     An object of metadata about the available plugin update.
+		 * @param array $response {
+		 *     An array of metadata about the available plugin update.
 		 *
 		 *     @type int    $id          Plugin ID.
 		 *     @type string $slug        Plugin slug.
-		 *     @type string $new_version New plugin version.
+		 *     @type string $plugin      Plugin basename.
 		 *     @type string $url         Plugin URL.
 		 *     @type string $package     Plugin update package URL.
+		 *     @type array  $icons       An array of icon URLs.
+		 *     @type array  $banners     An array of banner URLs.
+		 *     @type string $requires    Specify the minimum required WordPress version.
+		 *     @type string $tested      Specify the latest version of WordPress that the plugin has been tested with.
+		 *     @type string $new_version Specify the new version of the plugin.
 		 * }
 		 */
 		do_action( "in_plugin_update_message-{$file}", $plugin_data, $response ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
diff --git a/wp-includes/version.php b/wp-includes/version.php
index c8e8dfc853..8af48f78d1 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-52211';
+$wp_version = '5.9-alpha-52212';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.