cs: Fix code-style.

src/Bundle/ChillMainBundle/Serializer/Normalizer/AddressNormalizer.php

@@ -48,6 +48,7 @@ class AddressNormalizer implements ContextAwareNormalizerInterface, NormalizerAw
 
     /**
      * @param Address $address
+     * @param null|string $format
      */
     public function normalize($address, $format = null, array $context = [])
     {

src/Bundle/ChillMainBundle/Serializer/Normalizer/CollectionNormalizer.php

@@ -22,6 +22,7 @@ class CollectionNormalizer implements NormalizerAwareInterface, NormalizerInterf
 
     /**
      * @param Collection $collection
+     * @param null|string $format
      */
     public function normalize($collection, $format = null, array $context = [])
     {