docs: fix topology zone list value quote issue in docs

[BingchenLi]

Fixes #N/A

Description
This change is to fix the quote mistake in topology zone value list in docs.
Different zone values need to be separate strings, thus should be quoted separately in the list.

How was this change tested?
This only includes the docs change.

Does this change impact docs?

• Yes, PR includes docs updates
• Yes, issue opened: #
• [] No

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

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[jonathan-innis]

LGTM 🚀

Thanks for catching this!

[coveralls]

Pull Request Test Coverage Report for Build 8204340784

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

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Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 82.662%

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Totals
Change from base Build 8195391472:	0.0%
Covered Lines:	5278
Relevant Lines:	6385

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💛 - Coveralls