Fix 'APNS_TOPIC' docs (#400)
Fix 'APNS_TOPIC' docs (#400)


shigmas/django-push-notifications,Adys/django-push-notifications,cristiano2lopes/django-push-notifications,jleclanche/django-push-notifications,rsalmaso/django-push-notifications,matthewh/django-push-notifications,lukeburden/django-push-notifications,jamaalscarlett/django-push-notifications