diff --git a/wp-includes/class-wp-tax-query.php b/wp-includes/class-wp-tax-query.php
index 66ebce2aa1..356b69292c 100644
--- a/wp-includes/class-wp-tax-query.php
+++ b/wp-includes/class-wp-tax-query.php
@@ -1,14 +1,23 @@
 <?php
 /**
- * Class for generating SQL clauses that filter a primary query according to object taxonomy terms.
+ * Taxonomy API: WP_Tax_Query class
  *
- * `WP_Tax_Query` is a helper that allows primary query classes, such as WP_Query, to filter
- * their results by object metadata, by generating `JOIN` and `WHERE` subclauses to be attached
- * to the primary SQL query string.
- *
- * @since 3.1.0
  * @package WordPress
  * @subpackage Taxonomy
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement taxonomy queries for the Taxonomy API.
+ *
+ * Used for generating SQL clauses that filter a primary query according to object
+ * taxonomy terms.
+ *
+ * WP_Tax_Query is a helper that allows primary query classes, such as WP_Query, to filter
+ * their results by object metadata, by generating `JOIN` and `WHERE` subclauses to be
+ * attached to the primary SQL query string.
+ *
+ * @since 3.1.0
  */
 class WP_Tax_Query {
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index bf2fe64273..369ecb2536 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34401';
+$wp_version = '4.4-alpha-34402';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.