Fixup shard index docs

Closes #2547
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Martin Hořeňovský 2022-10-16 17:00:23 +02:00
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@ -548,7 +548,8 @@ starting at 0. The tests in the set given by
`--shard-index <#shard index to run>` will be executed. The default shard `--shard-index <#shard index to run>` will be executed. The default shard
count is `1`, and the default index to run is `0`. count is `1`, and the default index to run is `0`.
_It is an error to specify a shard index greater than the number of shards._ _Shard index must be less than number of shards. As the name suggests,
it is treated as an index of the shard to run._
Sharding is useful when you want to split test execution across multiple Sharding is useful when you want to split test execution across multiple
processes, as is done with the [Bazel test sharding](https://docs.bazel.build/versions/main/test-encyclopedia.html#test-sharding). processes, as is done with the [Bazel test sharding](https://docs.bazel.build/versions/main/test-encyclopedia.html#test-sharding).