diff --git a/src/Bundle/ChillActivityBundle/Service/DocGenerator/ActivityContext.php b/src/Bundle/ChillActivityBundle/Service/DocGenerator/ActivityContext.php
index 55d64ef93..61bcaad3e 100644
--- a/src/Bundle/ChillActivityBundle/Service/DocGenerator/ActivityContext.php
+++ b/src/Bundle/ChillActivityBundle/Service/DocGenerator/ActivityContext.php
@@ -130,8 +130,10 @@ class ActivityContext implements
                         return $this->personRender->renderString($p, []);
                     },
                     'multiple' => false,
+                    'required' => false,
                     'expanded' => true,
                     'label' => $options[$key . 'Label'],
+                    'placeholder' => $this->translator->trans('Any person selected'),
                 ]);
             }
         }