diff --git a/Models/Promotion.php b/Models/Promotion.php
index 22afa64..e982b19 100644
--- a/Models/Promotion.php
+++ b/Models/Promotion.php
@@ -133,7 +133,7 @@ class Promotion
 
     public function countTasks() : int
     {
-        return count($this->tasks);
+        return \count($this->tasks);
     }
 
     public function getStart() : \DateTime
diff --git a/Models/PromotionMapper.php b/Models/PromotionMapper.php
index 34b538a..4e015fd 100644
--- a/Models/PromotionMapper.php
+++ b/Models/PromotionMapper.php
@@ -57,6 +57,11 @@ final class PromotionMapper extends DataMapperAbstract
      *
      * @var array<string, array<string, null|string>>
      * @since 1.0.0
+     */    /**
+     * Has many relation.
+     *
+     * @var array<string, array<string, string>>
+     * @since 1.0.0
      */
     protected static $hasMany = [
         'tasks' => [