diff --git a/Models/ClientMapper.php b/Models/ClientMapper.php
index 993ebde..73fc8f8 100644
--- a/Models/ClientMapper.php
+++ b/Models/ClientMapper.php
@@ -32,7 +32,7 @@ final class ClientMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array<string, array<string, bool|string>>
+     * @var array<string, array{name:string, type:string, internal:string, autocomplete?:bool, annotations?:array}>
      * @since 1.0.0
      */
     protected static array $columns = [
@@ -73,7 +73,7 @@ final class ClientMapper extends DataMapperAbstract
     /**
      * Has one relation.
      *
-     * @var array<string, array<string, string>>
+     * @var array<string, array{mapper:string, self:string, by?:string}>
      * @since 1.0.0
      */
     protected static array $ownsOne = [
@@ -86,7 +86,7 @@ final class ClientMapper extends DataMapperAbstract
     /**
      * Has many relation.
      *
-     * @var array<string, array<string, null|string>>
+     * @var array<string, array{mapper:string, table:string, self?:?string, external?:?string}>
      * @since 1.0.0
      */
     protected static array $hasMany = [