[3.14.0][Changelog] Address formatting/wording issue in 3.14.0 cookbook Changelog (aws#3017)

Author: hehe7318

CHANGELOG.md

@@ -7,11 +7,17 @@ This file is used to list changes made in each version of the AWS ParallelCluste
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 **ENHANCEMENTS**
-- Remove UnkillableStepTimeout from slurm.conf and let slurm set this value.
-- Add `build-image` support for kernel 6.12 of Amazon Linux 2023. The official ParallelCluster Amazon Linux 2023 AMIs use kernel 6.12.
+- Add support for P6e-GB200 instances. ParallelCluster sets up Slurm topology plugin to handle P6e-GB200 UltraServers. See limitations section for important additional setup requirements.
+- Add `build-image` support for Amazon Linux 2023 AMIs based on kernel 6.12 (in addition to 6.1).
+
+**LIMITATIONS**
+- P6e-GB200 instances are only tested on Amazon Linux 2023, Ubuntu 22.04 and Ubuntu 24.04.
+- Using IMEX on P6e-GB200 requires additional setup. Please refer to <PLACE_HOLDER for the tutorial link>.
 
 **CHANGES**
-- Ubuntu 20.04 is no longer supported.
+- Install nvidia-imex for all OSs except AL2.
+- Remove `berkshelf`. All cookbooks are local and do not need `berkshelf` dependency management.
+- Remove `UnkillableStepTimeout` from slurm.conf and let slurm set this value.
 - Upgrade Slurm to version 24.11.6 (from 24.05.8).
 - Upgrade EFA installer to 1.43.2 (from 1.41.0).
   - Efa-driver: efa-2.17.2-1
@@ -20,21 +26,22 @@ This file is used to list changes made in each version of the AWS ParallelCluste
   - Libfabric-aws: libfabric-aws-2.1.0-5
   - Rdma-core: rdma-core-58.0-1
   - Open MPI: openmpi40-aws-4.1.7-2 and openmpi50-aws-5.0.6-11
-- Upgrade Cinc Client to version to 18.4.12 from 18.2.7.
+- Upgrade Cinc Client to version 18.4.12 (from 18.2.7).
 - Upgrade NVIDIA driver to version 570.172.08 (from 570.86.15) for all OSs except AL2.
 - Upgrade CUDA Toolkit to version 12.8.1 (from 12.8.0) for all OSs except AL2.
 - Upgrade DCGM to version 4.2.3 (from 3.3.6) for all OSs except AL2.
 - Upgrade Python to 3.12.11 (from 3.12.8) for all OSs except AL2.
 - Upgrade Python to 3.9.23 (from 3.9.20) for AL2.
 - Upgrade Intel MPI Library to 2021.16.0 (from 2021.13.1).
-- Addressed cluster id mismatch known issue by deleting the file `/var/spool/slurm.state/clustername` before configuring Slurm accounting.
 - Upgrade DCV to version 2024.0-19030.
-- Remove `berkshelf`. All cookbooks are local and do not need `berkshelf` dependency management.
-- Add support for GB200 instance types.
-- Install nvidia-imex for all OSs except AL2.
+- Upgrade the official ParallelCluster Amazon Linux 2023 AMIs to kernel 6.12 (from 6.1).
 
 **BUG FIXES**
 - Fix a race condition in CloudWatch Agent startup that could cause nodes bootstrap failures.
+- Fix cluster id mismatch issue by deleting the file `/var/spool/slurm.state/clustername` before configuring Slurm accounting.
+
+**DEPRECATIONS**
+- Ubuntu 20.04 is no longer supported.
 
 3.13.2
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