diff --git a/src/Entity/Ranking.php b/src/Entity/Ranking.php
index <HASH>..<HASH> 100644
--- a/src/Entity/Ranking.php
+++ b/src/Entity/Ranking.php
@@ -9,7 +9,7 @@ use Drupal\mespronos\RankingInterface;
 use Drupal\mespronos\MPNEntityInterface;
 use Drupal\mespronos_group\Entity\Group;
 
-abstract class Ranking extends MPNContentEntityBase implements MPNEntityInterface,RankingInterface {
+abstract class Ranking extends MPNContentEntityBase implements MPNEntityInterface, RankingInterface {
 
   public static function preCreate(EntityStorageInterface $storage_controller, array &$values) {
     parent::preCreate($storage_controller, $values);
refactoring - clean Ranking