Update hooks

Author: gwangmu

docs/software/container-engine.md

@@ -529,10 +529,11 @@ At the moment of writing, 4 plugin variants are configured: `cuda11`, `cuda12`
     com.hooks.aws_ofi_nccl.variant = "cuda11"
     ```
 
-The AWS OFI NCCL hook also takes care of the following aspects:
+!!! tip
+    It implicitly enables the [CXI hook][ref-ce-cxi-hook], therefore exposing the Slingshot interconnect to container applications. In other words, when enabling the AWS OFI NCCL hook, it's unnecessary to also enable the CXI hook separately in the EDF.
 
- * It implicitly enables the [CXI hook][ref-ce-cxi-hook], therefore exposing the Slingshot interconnect to container applications. In other words, when enabling the AWS OFI NCCL hook, it's unnecessary to also enable the CXI hook separately in the EDF.
- * It sets environment variables to control the behavior of NCCL and the libfabric CXI provider for Slingshot. In particular, the `NCCL_NET_PLUGIN` variable ([link](https://docs.nvidia.com/deeplearning/nccl/user-guide/docs/env.html#nccl-net-plugin)) is set to force NCCL to load the specific network plugin mounted by the hook. This is useful because certain container images (for example, those from NGC repositories) might already ship with a default NCCL plugin. Other environment variables help prevent application stalls and improve performance when using GPUDirect for RDMA communication.
+!!! note
+    It sets environment variables to control the behavior of NCCL and the libfabric CXI provider for Slingshot. In particular, the `NCCL_NET_PLUGIN` variable ([link](https://docs.nvidia.com/deeplearning/nccl/user-guide/docs/env.html#nccl-net-plugin)) is set to force NCCL to load the specific network plugin mounted by the hook. This is useful because certain container images (for example, those from NGC repositories) might already ship with a default NCCL plugin. Other environment variables help prevent application stalls and improve performance when using GPUDirect for RDMA communication.
 
 [](){#ref-ce-ssh-hook}
 ### SSH Hook