diff --git a/.github/user_feature_request.md b/.github/user_feature_request.md
index 6eb8ddc..c9595e8 100755
--- a/.github/user_feature_request.md
+++ b/.github/user_feature_request.md
@@ -8,11 +8,14 @@ assignees: ''
 ---
 
 # What is the feature you request
+
 * A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
 * A clear and concise description of what you want to happen.
 
 # Alternatives
+
 A clear and concise description of any alternative solutions or features you've considered.
 
 # Additional Information
+
 Add any other context or screenshots about the feature request here.
diff --git a/Models/ContractMapper.php b/Models/ContractMapper.php
index 24aa0a2..a70c639 100755
--- a/Models/ContractMapper.php
+++ b/Models/ContractMapper.php
@@ -28,6 +28,9 @@ use phpOMS\DataStorage\Database\Mapper\DataMapperFactory;
  * @license OMS License 2.0
  * @link    https://jingga.app
  * @since   1.0.0
+ *
+ * @template T of Contract
+ * @extends DataMapperFactory<T>
  */
 final class ContractMapper extends DataMapperFactory
 {
diff --git a/Models/ContractTypeL11nMapper.php b/Models/ContractTypeL11nMapper.php
index 751a599..03b1380 100755
--- a/Models/ContractTypeL11nMapper.php
+++ b/Models/ContractTypeL11nMapper.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 ContractTypeL11nMapper extends DataMapperFactory
 {
diff --git a/Models/ContractTypeMapper.php b/Models/ContractTypeMapper.php
index 690fdd9..e9be544 100755
--- a/Models/ContractTypeMapper.php
+++ b/Models/ContractTypeMapper.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 Contract
+ * @extends DataMapperFactory<T>
  */
 final class ContractTypeMapper extends DataMapperFactory
 {