diff --git a/src/bp-core/bp-core-options.php b/src/bp-core/bp-core-options.php
index e539a06ff..24c42f404 100644
--- a/src/bp-core/bp-core-options.php
+++ b/src/bp-core/bp-core-options.php
@@ -351,6 +351,8 @@ function bp_core_activate_site_options( $keys = array() ) {
  * @todo Use settings API and audit these methods.
  *
  * @return array $root_blog_options_meta List of options.
+ * 
+ * @global wpdb $wpdb WordPress database object.
  */
 function bp_core_get_root_options() {
 	global $wpdb;