diff --git a/lib/compat/wordpress-6.8/block-comments.php b/lib/compat/wordpress-6.8/block-comments.php
index ff9f03b69aa1c..aa446fd563771 100644
--- a/lib/compat/wordpress-6.8/block-comments.php
+++ b/lib/compat/wordpress-6.8/block-comments.php
@@ -45,6 +45,8 @@ function update_get_avatar_comment_type( $comment_type ) {
  * This function modifies the comments query to exclude comments of type 'block_comment'
  * when the query is for comments in the WordPress admin.
  *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
  * @param WP_Comment_Query $query The current comments query.
  *
  * @return void