diff --git a/src/wp-includes/class-wp-admin-bar.php b/src/wp-includes/class-wp-admin-bar.php
index 7d3470f538..60111be0ea 100644
--- a/src/wp-includes/class-wp-admin-bar.php
+++ b/src/wp-includes/class-wp-admin-bar.php
@@ -33,6 +33,9 @@ class WP_Admin_Bar {
 	}
 
 	/**
+	 * Initializes the admin bar.
+	 *
+	 * @since 3.1.0
 	 */
 	public function initialize() {
 		$this->user = new stdClass;
@@ -596,6 +599,9 @@ class WP_Admin_Bar {
 	}
 
 	/**
+	 * Adds a menu in the admin bar.
+	 *
+	 * @since 3.1.0
 	 */
 	public function add_menus() {
 		// User-related, aligned right.