diff --git a/Models/ClientMapper.php b/Models/ClientMapper.php
index 3a403b1..9043895 100644
--- a/Models/ClientMapper.php
+++ b/Models/ClientMapper.php
@@ -25,7 +25,7 @@ final class ClientMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array<string, array<string, string|bool>>
+     * @var array<string, array<string, bool|string>>
      * @since 1.0.0
      */
     protected static $columns = [