diff --git a/Form/ChoiceLoader/PersonChoiceLoader.php b/Form/ChoiceLoader/PersonChoiceLoader.php
index 18c7d4a2e..b1cdfee7a 100644
--- a/Form/ChoiceLoader/PersonChoiceLoader.php
+++ b/Form/ChoiceLoader/PersonChoiceLoader.php
@@ -1,4 +1,5 @@
 <?php
+
 /*
  * Copyright (C) 2018 Champs-Libres <info@champs-libres.coop>
  *
@@ -15,31 +16,43 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+
 namespace Chill\PersonBundle\Form\ChoiceLoader;
 
 use Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface;
 use Symfony\Component\Form\ChoiceList\ChoiceListInterface;
 use Doctrine\ORM\EntityRepository;
-use Symfony\Component\Form\ChoiceList\LazyChoiceList;
 use Chill\PersonBundle\Entity\Person;
 
 /**
- * 
+ * Class PersonChoiceLoader
  *
+ * @package Chill\PersonBundle\Form\ChoiceLoader
  * @author Julien Fastré <julien.fastre@champs-libres.coop>
  */
 class PersonChoiceLoader implements ChoiceLoaderInterface
 {
     /**
-     *
      * @var EntityRepository
      */
     protected $personRepository;
     
+    /**
+     * @var array
+     */
     protected $lazyLoadedPersons = [];
     
+    /**
+     * @var array
+     */
     protected $centers = [];
     
+    /**
+     * PersonChoiceLoader constructor.
+     *
+     * @param EntityRepository $personRepository
+     * @param array|null $centers
+     */
     public function __construct(
         EntityRepository $personRepository,
         array $centers = null
@@ -50,11 +63,18 @@ class PersonChoiceLoader implements ChoiceLoaderInterface
         }
     }
     
+    /**
+     * @return bool
+     */
     protected function hasCenterFilter()
     {
         return count($this->centers) > 0;
     }
-
+    
+    /**
+     * @param null $value
+     * @return ChoiceListInterface
+     */
     public function loadChoiceList($value = null): ChoiceListInterface
     {
         $list = new \Symfony\Component\Form\ChoiceList\ArrayChoiceList(
@@ -65,7 +85,12 @@ class PersonChoiceLoader implements ChoiceLoaderInterface
         
         return $list;
     }
-
+    
+    /**
+     * @param array $values
+     * @param null $value
+     * @return array
+     */
     public function loadChoicesForValues(array $values, $value = null)
     {
         $choices = [];
@@ -88,6 +113,11 @@ class PersonChoiceLoader implements ChoiceLoaderInterface
         return $choices;
     }
     
+    /**
+     * @param array $choices
+     * @param null $value
+     * @return array|string[]
+     */
     public function loadValuesForChoices(array $choices, $value = null)
     {
         $values = [];