diff --git a/Models/DepartmentMapper.php b/Models/DepartmentMapper.php
index 58b0091..1cb063a 100755
--- a/Models/DepartmentMapper.php
+++ b/Models/DepartmentMapper.php
@@ -45,7 +45,7 @@ final class DepartmentMapper extends DataMapperAbstract
     /**
      * Belongs to.
      *
-     * @var array<string, array{mapper:string, self:string}>
+     * @var array<string, array{mapper:string, external:string}>
      * @since 1.0.0
      */
     protected static array $belongsTo = [
diff --git a/Models/PositionMapper.php b/Models/PositionMapper.php
index 36915e3..83c3809 100755
--- a/Models/PositionMapper.php
+++ b/Models/PositionMapper.php
@@ -45,7 +45,7 @@ final class PositionMapper extends DataMapperAbstract
     /**
      * Belongs to.
      *
-     * @var array<string, array{mapper:string, self:string}>
+     * @var array<string, array{mapper:string, external:string}>
      * @since 1.0.0
      */
     protected static array $belongsTo = [
diff --git a/Models/UnitMapper.php b/Models/UnitMapper.php
index 9a6be04..e12676f 100755
--- a/Models/UnitMapper.php
+++ b/Models/UnitMapper.php
@@ -46,7 +46,7 @@ final class UnitMapper extends DataMapperAbstract
     /**
      * Has one relation.
      *
-     * @var array<string, array{mapper:string, self:string, by?:string, column?:string}>
+     * @var array<string, array{mapper:string, external:string, by?:string, column?:string, conditional?:bool}>
      * @since 1.0.0
      */
     protected static array $ownsOne = [
@@ -59,7 +59,7 @@ final class UnitMapper extends DataMapperAbstract
     /**
      * Belongs to.
      *
-     * @var array<string, array{mapper:string, self:string}>
+     * @var array<string, array{mapper:string, external:string}>
      * @since 1.0.0
      */
     protected static array $belongsTo = [