Description is not clear in --patch-mode

Team,

In --patch-mode description, it is a bit hard to read because there's many options listed without paragraph break.

Also, it's not easy to tell the difference between two options. Can you please add more explanation?
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AutomaticByOS - The virtual machine will automatically be updated by the OS. The parameter --enable-auto-update must be true. AutomaticByPlatform - the virtual machine will automatically updated by the OS.
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Best,
Youkhi.

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* ID: 0408c294-207a-2b72-7b93-e09121602b75
* Version Independent ID: 852cb67b-70c6-b811-3b0a-5d5b84b8a911
* Content: [az vmss](https://learn.microsoft.com/en-us/cli/azure/vmss?view=azure-cli-latest)
* Content Source: [latest/docs-ref-autogen/vmss.yml](https://github.com/MicrosoftDocs/azure-docs-cli/blob/main/latest/docs-ref-autogen/vmss.yml)
* Service: **virtual-machine-scale-sets**
* GitHub Login: @rloutlaw
* Microsoft Alias: **routlaw**