diff --git a/Models/Supplier.php b/Models/Supplier.php
index 26b00c8..419ad73 100644
--- a/Models/Supplier.php
+++ b/Models/Supplier.php
@@ -19,6 +19,7 @@ use Modules\Media\Models\Media;
 use Modules\Profile\Models\ContactElement;
 use Modules\Profile\Models\NullContactElement;
 use Modules\Profile\Models\Profile;
+use Modules\Admin\Models\Address;
 
 /**
  * Supplier class.
@@ -284,11 +285,27 @@ class Supplier
         $this->profile = $profile;
     }
 
+    /**
+     * Set main address
+     *
+     * @param int|Address $address Address
+     *
+     * @return void
+     *
+     * @since 1.0.0
+     */
     public function setMainAddress($address) : void
     {
         $this->mainAddress = $address;
     }
 
+    /**
+     * Get main address
+     *
+     * @return int|Address
+     *
+     * @since 1.0.0
+     */
     public function getMainAddress()
     {
         return $this->mainAddress;
@@ -344,11 +361,30 @@ class Supplier
         return $this->contactElements;
     }
 
+    /**
+     * Order contact elements
+     *
+     * @param ContactElement $a Element
+     * @param ContactElement $b Element
+     *
+     * @return int
+     *
+     * @since 1.0.0
+     */
     private function orderContactElements(ContactElement $a, ContactElement $b) : int
     {
         return $a->getOrder() <=> $b->getOrder();
     }
 
+    /**
+     * Get the main contact element by type
+     *
+     * @param int $type Contact element type
+     *
+     * @return ContactElement
+     *
+     * @since 1.0.0
+     */
     public function getMainContactElement(int $type) : ContactElement
     {
         \uasort($this->contactElements, [$this, 'orderContactElements']);
@@ -362,6 +398,15 @@ class Supplier
         return new NullContactElement();
     }
 
+    /**
+     * Add contact element
+     *
+     * @param int|ContactElement $element Contact element
+     *
+     * @return void
+     *
+     * @since 1.0.0
+     */
     public function addContactElement($element) : void
     {
         $this->contactElements[] = $element;
diff --git a/Models/SupplierMapper.php b/Models/SupplierMapper.php
index ba8dd71..2977162 100644
--- a/Models/SupplierMapper.php
+++ b/Models/SupplierMapper.php
@@ -76,7 +76,7 @@ final class SupplierMapper 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 = [