fix comment syntax for correct website rendering

[hongshaoyang]

First-time contributors' checklist

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What is changed, added or deleted? (Required)

TiDB docs website docs.pingcap.com does not support "#" as a comment. It shows as SQL code, which confuses readers:

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[ti-chi-bot]

Hi @hongshaoyang. Thanks for your PR.

I'm waiting for a pingcap member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[ti-chi-bot]

@hongshaoyang: GitHub didn't allow me to request PR reviews from the following users: ran-huang.

Note that only pingcap members and repo collaborators can review this PR, and authors cannot review their own PRs.

In response to this:

/cc @ran-huang @songrijie @YangKeao @time-and-fate

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[Oreoxmt]

/ok-to-test

[Oreoxmt]

@hongshaoyang Thanks for your contribution! Since TiDB supports using "#" or "--" to comment a line, could you please describe the reason for creating this PR?

[hongshaoyang]

@hongshaoyang Thanks for your contribution! Since TiDB supports using "#" or "--" to comment a line, could you please describe the reason for creating this PR?

TiDB docs website docs.pingcap.com does not support "#" as a comment. It shows as SQL code, which confuses readers:

[Oreoxmt]

/ok-to-test

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-04-01 08:45:51.137333015 +0000 UTC m=+260812.664873562: ☑️ agreed by Oreoxmt.
• 2024-04-02 06:21:03.3994697 +0000 UTC m=+338524.927010246: ☑️ agreed by hfxsd.

[Oreoxmt]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Oreoxmt

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #16930.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #16931.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.6: #16932.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.0: #16933.