Describe linked issues can use trailer syntax

[lumynou5]

Code of Conduct

• I have read and agree to the GitHub Docs project's Code of Conduct

What article on docs.github.com is affected?

https://docs.github.com/en/issues/tracking-your-work-with-issues/using-issues/linking-a-pull-request-to-an-issue

What part(s) of the article would you like to see updated?

The current document doesn't mention the keywords and the issue numbers can be separated by colons like Git trailer convention to link pull requests to issues, and this in fact works.

Additional information

No response

[welcome]

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