Index: wp-admin/includes/class-wp-posts-list-table.php
===================================================================
--- wp-admin/includes/class-wp-posts-list-table.php	(revision 41314)
+++ wp-admin/includes/class-wp-posts-list-table.php	(working copy)
@@ -67,7 +67,7 @@
 	 * @see WP_List_Table::__construct() for more information on default arguments.
 	 *
 	 * @global WP_Post_Type $post_type_object
-	 * @global wpdb         $wpdb
+	 * @global wpdb         $wpdb - WordPress database abstraction object.
 	 *
 	 * @param array $args An associative array of arguments.
 	 */
@@ -655,7 +655,7 @@
 	}
 
 	/**
-	 * @global wpdb    $wpdb
+	 * @global wpdb    $wpdb - WordPress database abstraction object.
 	 * @global WP_Post $post
 	 * @param array $pages
 	 * @param int $pagenum