diff --git a/Models/ItemMapper.php b/Models/ItemMapper.php
index 319e7a7..75a72ea 100644
--- a/Models/ItemMapper.php
+++ b/Models/ItemMapper.php
@@ -22,7 +22,7 @@ final class ItemMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array<string, array<string, string|bool>>
+     * @var array<string, array<string, bool|string>>
      * @since 1.0.0
      */
     protected static $columns = [