diff --git a/Models/TagMapper.php b/Models/TagMapper.php
index f6e55e8..c08c42a 100644
--- a/Models/TagMapper.php
+++ b/Models/TagMapper.php
@@ -24,6 +24,11 @@ use phpOMS\DataStorage\Database\DataMapperAbstract;
  * @license OMS License 1.0
  * @link    https://orange-management.org
  * @since   1.0.0
+ *
+ * @todo Orange-Management/oms-Tag#???
+ *  Too complicated select.
+ *  I think the default getAll etc. is too complicated and has too many joins which are not really required.
+ *  Check and fix!
  */
 final class TagMapper extends DataMapperAbstract
 {