(Facade): Add comment into complex method example

src/Facade/Component/ProductRepository.php

@@ -18,6 +18,7 @@ public function persist(Product $product): void
 
     public function update(Product $product): void
     {
+        // It could update into the database here.
         echo $product->getName() . " updated.\n";
     }
 }

src/Facade/ProductFlowFacade.php

@@ -16,7 +16,6 @@
 class ProductFlowFacade
 {
     private ProductRepository $productRepository;
-
     private MarketplaceIntegration $marketplaceIntegration;
     private IntegrationSoapErp $integrationSoapErp;