fix a typo in 5.1.3 RN

[shichun-0415]

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[ti-chi-bot]

[REVIEW NOTIFICATION]

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[Oreoxmt]

LGTM

[shichun-0415]

/merge

[ti-chi-bot]

@shichun-0415: /merge in this pull request requires 2 approval(s).

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/merge

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[shichun-0415]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 361d58e

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #10191.

[ti-chi-bot]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/docs#release-5.2 from head ti-chi-bot:cherry-pick-10181-to-release-5.2: the GitHub API request returns a 403 error: {"message":"You have exceeded a secondary rate limit and have been temporarily blocked from content creation. Please retry your request again later.","documentation_url":"https://docs.github.com/rest/overview/resources-in-the-rest-api#secondary-rate-limits"}

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #10196.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #10198.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #10199.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #10201.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #10203.