diff --git a/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php b/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php
index 8f01c314a3..09d42a1852 100644
--- a/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php
+++ b/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php
@@ -16,7 +16,7 @@
  * @see Bulk_Upgrader_Skin
  */
 class Bulk_Theme_Upgrader_Skin extends Bulk_Upgrader_Skin {
-	public $theme_info = array(); // Theme_Upgrader::bulk() will fill this in.
+	public $theme_info = array(); // Theme_Upgrader::bulk_upgrade() will fill this in.
 
 	public function add_strings() {
 		parent::add_strings();
@@ -55,8 +55,8 @@ class Bulk_Theme_Upgrader_Skin extends Bulk_Upgrader_Skin {
 		 *
 		 * @since 3.0.0
 		 *
-		 * @param array $update_actions Array of theme action links.
-		 * @param array $theme_info     Array of information for the last-updated theme.
+		 * @param array    $update_actions Array of theme action links.
+		 * @param WP_Theme $theme_info     Theme object for the last-updated theme.
 		 */
 		$update_actions = apply_filters( 'update_bulk_theme_complete_actions', $update_actions, $this->theme_info );