diff --git a/wp-includes/class-wp-customize-manager.php b/wp-includes/class-wp-customize-manager.php
index bc1305fe61..556bc60d8b 100644
--- a/wp-includes/class-wp-customize-manager.php
+++ b/wp-includes/class-wp-customize-manager.php
@@ -677,7 +677,8 @@ final class WP_Customize_Manager {
 		 *
 		 * @since 4.2.0
 		 *
-		 * @param array $data
+		 * @param array                $data Additional information passed back to the 'saved'
+		 *                                   event on `wp.customize`.
 		 * @param WP_Customize_Manager $this WP_Customize_Manager instance.
 		 */
 		$response = apply_filters( 'customize_save_response', array(), $this );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4bb458f2cf..c83b0d89e3 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31062';
+$wp_version = '4.2-alpha-31063';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.