fix example in docs [ci skip]
fix example in docs [ci skip]

ricardoanjinho/django-rest-social-auth,ricardoanjinho/django-rest-social-auth,st4lk/django-rest-social-auth,skolsuper/django-rest-social-auth,st4lk/django-rest-social-auth,skolsuper/django-rest-social-auth,skolsuper/django-rest-social-auth,skolsuper/django-rest-social-auth,st4lk/django-rest-social-auth,ricardoanjinho/django-rest-social-auth,ricardoanjinho/django-rest-social-auth