Merge pull request #1040 from lucianobaraglia/master

Docs typo [skip ci]

docs/guide/active-record.md

@@ -202,7 +202,7 @@ class Customer extends \yii\db\ActiveRecord
 {
 	public function getOrders()
 	{
-		return $this->hasMany(Order::className, ['customer_id' => 'id']);
+		return $this->hasMany(Order::className(), ['customer_id' => 'id']);
 	}
 }