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fix typo in async-await/04/solution#3887

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@@ -1,5 +1,5 @@

The root of the problem is that `Promise.all` immediately rejects when one of its promises rejects, but itdo nothing to cancel the other promises.
The root of the problem is that `Promise.all` immediately rejects when one of its promises rejects, but itdoes nothing to cancel the other promises.

In our case, the second query fails, so `Promise.all` rejects, and the `try...catch` block catches this error.Meanwhile, other promises are *not affected* - they independently continue their execution. In our case, the third query throws an error of its own after a bit of time. And that error is never caught, we can see it in the console.

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