Fixed #10344 -- Corrected some typos in the aggregation docs. Thanks to ewoudenberg for the report.

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So far, we have dealt with aggregates over fields that belong to the

model being queries. However, sometimes the value you want to aggregate

model being queried. However, sometimes the value you want to aggregate

will belong to a model that is related to the model you are querying.

When specifying the field to be aggregated in an aggregate functions,

    >>> Author.objects.annotate(average_rating=Avg('book__rating'))

This will return one result for each author in the database, annotate with

This will return one result for each author in the database, annotated with

their average book rating.

However, the result will be slightly different if you use a ``values()`` clause::