diff --git a/Models/SurveyTemplateElementL11nMapper.php b/Models/SurveyTemplateElementL11nMapper.php
index 2230e62..61f4ca4 100755
--- a/Models/SurveyTemplateElementL11nMapper.php
+++ b/Models/SurveyTemplateElementL11nMapper.php
@@ -23,6 +23,9 @@ use phpOMS\DataStorage\Database\Mapper\DataMapperFactory;
  * @license OMS License 2.0
  * @link    https://jingga.app
  * @since   1.0.0
+ *
+ * @template T of BaseStringL11n
+ * @extends DataMapperFactory<T>
  */
 final class SurveyTemplateElementL11nMapper extends DataMapperFactory
 {
diff --git a/Models/SurveyTemplateElementMapper.php b/Models/SurveyTemplateElementMapper.php
index 7f67763..d17262f 100755
--- a/Models/SurveyTemplateElementMapper.php
+++ b/Models/SurveyTemplateElementMapper.php
@@ -23,6 +23,9 @@ use phpOMS\DataStorage\Database\Mapper\DataMapperFactory;
  * @license OMS License 2.0
  * @link    https://jingga.app
  * @since   1.0.0
+ *
+ * @template T of SurveyTemplateElement
+ * @extends DataMapperFactory<T>
  */
 final class SurveyTemplateElementMapper extends DataMapperFactory
 {
diff --git a/Models/SurveyTemplateL11nMapper.php b/Models/SurveyTemplateL11nMapper.php
index 6d97c11..b48ef4b 100755
--- a/Models/SurveyTemplateL11nMapper.php
+++ b/Models/SurveyTemplateL11nMapper.php
@@ -23,6 +23,9 @@ use phpOMS\DataStorage\Database\Mapper\DataMapperFactory;
  * @license OMS License 2.0
  * @link    https://jingga.app
  * @since   1.0.0
+ *
+ * @template T of BaseStringL11n
+ * @extends DataMapperFactory<T>
  */
 final class SurveyTemplateL11nMapper extends DataMapperFactory
 {
diff --git a/Models/SurveyTemplateLabelL11nMapper.php b/Models/SurveyTemplateLabelL11nMapper.php
index 2c88d60..de4d49b 100755
--- a/Models/SurveyTemplateLabelL11nMapper.php
+++ b/Models/SurveyTemplateLabelL11nMapper.php
@@ -23,6 +23,9 @@ use phpOMS\DataStorage\Database\Mapper\DataMapperFactory;
  * @license OMS License 2.0
  * @link    https://jingga.app
  * @since   1.0.0
+ *
+ * @template T of BaseStringL11n
+ * @extends DataMapperFactory<T>
  */
 final class SurveyTemplateLabelL11nMapper extends DataMapperFactory
 {
diff --git a/Models/SurveyTemplateMapper.php b/Models/SurveyTemplateMapper.php
index 57d29ed..ff6ad04 100755
--- a/Models/SurveyTemplateMapper.php
+++ b/Models/SurveyTemplateMapper.php
@@ -27,6 +27,9 @@ use phpOMS\DataStorage\Database\Mapper\ReadMapper;
  * @license OMS License 2.0
  * @link    https://jingga.app
  * @since   1.0.0
+ *
+ * @template T of SurveyTemplate
+ * @extends DataMapperFactory<T>
  */
 final class SurveyTemplateMapper extends DataMapperFactory
 {