diff --git a/Models/Project.php b/Models/Project.php
index a31b651..956a46a 100644
--- a/Models/Project.php
+++ b/Models/Project.php
@@ -153,7 +153,7 @@ class Project
 
     public function countTasks() : int
     {
-        return count($this->tasks);
+        return \count($this->tasks);
     }
 
     public function getStart() : \DateTime
diff --git a/Models/ProjectMapper.php b/Models/ProjectMapper.php
index 899edb6..2df92d8 100644
--- a/Models/ProjectMapper.php
+++ b/Models/ProjectMapper.php
@@ -57,6 +57,11 @@ final class ProjectMapper 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' => [