diff --git a/core/model/fieldtypes/CompositeDBField.php b/core/model/fieldtypes/CompositeDBField.php
index 1ad68f2ab..82e6f1f42 100644
--- a/core/model/fieldtypes/CompositeDBField.php
+++ b/core/model/fieldtypes/CompositeDBField.php
@@ -1,8 +1,12 @@
 <?php
-
 /**
  * Apply this interface to any {@link DBField} that doesn't have a 1-1 mapping with a database field.
  * This includes multi-value fields and transformed fields
+ *
+ * @todo Unittests for loading and saving composite values (see GIS module for existing similiar unittests)
+ *
+ * @package sapphire
+ * @subpackage model
  */
 interface CompositeDBField {