diff --git a/wp-includes/class-wp-widget-factory.php b/wp-includes/class-wp-widget-factory.php
index bc8a678b77..eb4356881f 100644
--- a/wp-includes/class-wp-widget-factory.php
+++ b/wp-includes/class-wp-widget-factory.php
@@ -1,10 +1,17 @@
 <?php
 /**
- * Singleton that registers and instantiates WP_Widget classes.
+ * Class file for WP_Widget_Factory
  *
  * @package WordPress
  * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Singleton that registers and instantiates WP_Widget classes.
+ *
  * @since 2.8.0
+ * @since 4.4.0 Moved to its own file from wp-includes/widgets.php
  */
 class WP_Widget_Factory {
 	public $widgets = array();
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 9b4352732d..0a2212a5cf 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-33755';
+$wp_version = '4.4-alpha-33756';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.