diff --git a/Models/SupplierMapper.php b/Models/SupplierMapper.php
index d490f88..7895d8a 100644
--- a/Models/SupplierMapper.php
+++ b/Models/SupplierMapper.php
@@ -25,7 +25,7 @@ final class SupplierMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array<string, array<string, string|bool>>
+     * @var array<string, array<string, bool|string>>
      * @since 1.0.0
      */
     protected static $columns = [