diff --git a/src/bp-core/bp-core-update.php b/src/bp-core/bp-core-update.php
index 0eac1a224..d9ba85dae 100644
--- a/src/bp-core/bp-core-update.php
+++ b/src/bp-core/bp-core-update.php
@@ -309,6 +309,8 @@ function bp_version_updater() {
  * `dbDelta()` cannot handle certain operations - like changing indexes - so we do it here instead.
  *
  * @since 2.3.0
+ * 
+ * @global wpdb $wpdb WordPress database object.
  */
 function bp_pre_schema_upgrade() {
 	global $wpdb;
@@ -536,6 +538,8 @@ function bp_update_to_2_5() {
  * - Add ignore deprecated code option (false for updates).
  *
  * @since 2.7.0
+ * 
+ * @global wpdb $wpdb WordPress database object.
  */
 function bp_update_to_2_7() {
 	bp_add_option( 'bp-emails-unsubscribe-salt', base64_encode( wp_generate_password( 64, true, true ) ) );
@@ -571,6 +575,8 @@ function bp_update_to_2_7() {
  * @since 8.0.0
  *
  * @return int The fullname field ID.
+ * 
+ * @global wpdb $wpdb WordPress database object.
  */
 function bp_get_fullname_field_id_for_update() {
 	/**
@@ -591,6 +597,8 @@ function bp_get_fullname_field_id_for_update() {
  * - Migrate requests and invitations to the new table.
  *
  * @since 5.0.0
+ * 
+ * @global wpdb $wpdb WordPress database object.
  */
 function bp_update_to_5_0() {
 	/**
@@ -632,6 +640,8 @@ function bp_update_to_5_0() {
  * - Upgrade Primary xProfile Group's fields to signup fields.
  *
  * @since 8.0.0
+ * 
+ * @global wpdb $wpdb WordPress database object.
  */
 function bp_update_to_8_0() {
 	global $wpdb;