[2.0.x] Fixed typo in docs/topics/db/aggregation.txt.
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@ -70,7 +70,7 @@ In a hurry? Here's how to do common aggregate queries, assuming the models above
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# Difference between the highest priced book and the average price of all books.
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>>> from django.db.models import FloatField
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>>> Book.objects.aggregate(
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... price_diff=Max('price', output_field=FloatField()) - Avg('price')))
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... price_diff=Max('price', output_field=FloatField()) - Avg('price'))
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{'price_diff': 46.85}
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# All the following queries involve traversing the Book<->Publisher
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