diff --git a/src/wp-includes/admin-bar.php b/src/wp-includes/admin-bar.php
index e0dc5497fa..c1f67441ad 100644
--- a/src/wp-includes/admin-bar.php
+++ b/src/wp-includes/admin-bar.php
@@ -1,8 +1,10 @@
 <?php
 /**
- * Admin Bar
+ * Toolbar API: Top-level Toolbar functionality
  *
- * This code handles the building and rendering of the press bar.
+ * @package WordPress
+ * @subpackage Toolbar
+ * @since 3.1.0
  */
 
 /**
diff --git a/src/wp-includes/class-wp-admin-bar.php b/src/wp-includes/class-wp-admin-bar.php
index f344f3edb7..f40210085e 100644
--- a/src/wp-includes/class-wp-admin-bar.php
+++ b/src/wp-includes/class-wp-admin-bar.php
@@ -1,11 +1,16 @@
 <?php
 /**
- * The WordPress Toolbar
- *
- * @since 3.1.0
+ * Toolbar API: WP_Admin_Bar class
  *
  * @package WordPress
  * @subpackage Toolbar
+ * @since 3.1.0
+ */
+
+/**
+ * Core class used to implement the Toolbar API.
+ *
+ * @since 3.1.0
  */
 class WP_Admin_Bar {
 	private $nodes = array();