Fix short hand struct doc

[phungleson]

Don't want to discredit @HnGiang effort on this issue.

I just want to lend a hand to fix this issue #38830, it is a very nice feature and is seemingly completed.

Fixes#39096

r? @steveklabnik

[rust-highfive]

Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @steveklabnik (or someone else) soon.

If any changes to this PR are deemed necessary, please add them as extra commits. This ensures that the reviewer can see what has changed since they last reviewed the code. Due to the way GitHub handles out-of-date commits, this should also make it reasonably obvious what issues have or haven't been addressed. Large or tricky changes may require several passes of review and changes.

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[ghost]

Thanks @phungleson for help me fix issue #38830

[steveklabnik]

I think this looks great, thank you! @z1mvader wanted to lend a hand, so let's see what they think. I'm feeling good about this PR, though!

[ghost]

I'm no authority here but I think it's all right :)

[steveklabnik]

@bors: r+ rollup

Great! Thanks so much @HnGiang for getting this going, and to @phungleson for keeping it going! ❤️

[bors]

📌 Commit 4ddb56b has been approved by steveklabnik