) is missing in the doc

It seems that there is a bug in the documentation.

https://github.com/nitely/django-infinite-scroll-pagination#performance

Wrong:

class Meta:
    indexes = [
        models.Index(fields=['created_at', 'pk'],
        models.Index(fields=['-created_at', '-pk'])]

IMHO should be:

    indexes = [
            models.Index(fields=['created_at', 'pk']),
            models.Index(fields=['-created_at', '-pk'])]

Thta is a ) is missing.

[nitely]

Fixed in #8