Merge branch 'lee/namespaces' of https://github.com/get-convex/aggregate

 into lee/namespaces

README.md

@@ -33,7 +33,7 @@ const globalAverageScore =
   (await aggregateScoreByUser.count(ctx));
 ```
 
-7. Alternatively, you can define a third aggregate with separate namespaces,
+7. Alternatively, you can define an aggregate with separate namespaces,
    and do the same query. This method increases throughput because a user's data
    won't interfere with other users. However, you lose the ability to aggregate
    over all users.