diff --git a/src/wp-includes/category-functions.php b/src/wp-includes/category-functions.php
index a94baa7c4d..847dd50eeb 100644
--- a/src/wp-includes/category-functions.php
+++ b/src/wp-includes/category-functions.php
@@ -1,8 +1,10 @@
 <?php
 /**
- * WordPress Category API
+ * Taxonomy API: Top-level core category-specific functionality
  *
  * @package WordPress
+ * @subpackage Taxonomy
+ * @since 4.4.0
  */
 
 /**