*:fix a typo in toc

[hfxsd]

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• This PR is translated from:*: fix a typo in toc docs-cn#17915
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[lilin90]

/lgtm

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-07-11 08:34:37.505463862 +0000 UTC m=+519374.740697976: ☑️ agreed by lilin90.

[hfxsd]

/approve

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.0: #18180.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-5.1: #18181.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-5.4: #18182.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #18183.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #18184.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.1: #18185.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.2: #18186.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-5.2: #18187.