diff --git a/Models/CommentListMapper.php b/Models/CommentListMapper.php
index 127f329..dc8120f 100644
--- a/Models/CommentListMapper.php
+++ b/Models/CommentListMapper.php
@@ -42,6 +42,11 @@ final class CommentListMapper extends DataMapperAbstract
      *
      * @var array<string, array<string, null|string>>
      * @since 1.0.0
+     */    /**
+     * Has many relation.
+     *
+     * @var array<string, array<string, string>>
+     * @since 1.0.0
      */
     protected static $hasMany = [
         'comments' => [