diff --git a/wp-includes/class-wp-admin-bar.php b/wp-includes/class-wp-admin-bar.php
index 86b8a82d1c..050b0f1c0e 100644
--- a/wp-includes/class-wp-admin-bar.php
+++ b/wp-includes/class-wp-admin-bar.php
@@ -81,13 +81,17 @@ class WP_Admin_Bar {
 	/**
 	 * Add a node to the menu.
 	 *
-	 * @param array $args - The arguments for each node.
-	 * - id         - string    - The ID of the item.
-	 * - title      - string    - The title of the node.
-	 * - parent     - string    - The ID of the parent node. Optional.
-	 * - href       - string    - The link for the item. Optional.
-	 * - group      - boolean   - If the node is a group. Optional. Default false.
-	 * - meta       - array     - Meta data including the following keys: html, class, onclick, target, title, tabindex, rel.
+	 * @param array $args {
+	 *     Arguments for adding a node.
+	 *
+	 *     @type string $id     ID of the item.
+	 *     @type string $title  Title of the node.
+	 *     @type string $parent Optional. ID of the parent node.
+	 *     @type string $href   Optional. Link for the item.
+	 *     @type bool   $group  Optional. Whether or not the node is a group. Default false.
+	 *     @type array  $meta   Meta data including the following keys: 'html', 'class', 'rel',
+	 *                          'onclick', 'target', 'title', 'tabindex'. Default empty.
+	 * }
 	 */
 	public function add_node( $args ) {
 		// Shim for old method signature: add_node( $parent_id, $menu_obj, $args )
@@ -187,10 +191,14 @@ class WP_Admin_Bar {
 	 *
 	 * @since 3.3.0
 	 *
-	 * @param array $args - The arguments for each node.
-	 * - id         - string    - The ID of the item.
-	 * - parent     - string    - The ID of the parent node. Optional. Default root.
-	 * - meta       - array     - Meta data including the following keys: class, onclick, target, title.
+	 * @param array $args {
+	 *     Array of arguments for adding a group.
+	 *
+	 *     @type string $id     ID of the item.
+	 *     @type string $parent Optional. ID of the parent node. Default 'root'.
+	 *     @type array  $meta   Meta data for the group including the following keys:
+	 *                         'class', 'onclick', 'target', and 'title'.
+	 * }
 	 */
 	final public function add_group( $args ) {
 		$args['group'] = true;