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add nccl-hook reference to nccl section #201

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add nccl-hook reference to nccl section #201

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2 changes: 1 addition & 1 deletion docs/software/communication/nccl.md
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Expand Up @@ -14,7 +14,7 @@ When using e.g. the `default` view of `prgenv-gnu` the `aws-ofi-nccl` plugin wil
Alternatively, loading the `aws-ofi-nccl` module with the `modules` view also makes the plugin available in the environment.
The environment variables described below must be set to ensure that NCCL uses the plugin.

While the container engine sets these automatically when using the NCCL hook, the following environment variables should always be set for correctness and optimal performance when using NCCL:
While the container engine sets these automatically when using the [NCCL hook][ref-ce-aws-ofi-hook], the following environment variables should always be set for correctness and optimal performance when using NCCL:

```bash
--8<-- "docs/software/communication/nccl_env_vars"
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