Remove rogue space within backticked terms

[Rageking8]

Remove rogue space within backticked terms, add backticks, and update metadata.

[prmerger-automator]

@Rageking8 : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit 80535a0:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/c-runtime-library/find-memory-leaks-using-the-crt-library.md	✅Succeeded
docs/c-runtime-library/reference/islower-iswlower-islower-l-iswlower-l.md	✅Succeeded
docs/c-runtime-library/reference/mbsnbset-s-mbsnbset-s-l.md	✅Succeeded

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[v-regandowner]

@TylerMSFT - Can you review the proposed changes?

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team

[TylerMSFT]

Those are strange typos.
Does my heart good to see <someheader.h> replaced with <someheader.h> :-)

[TylerMSFT]

#sign-off