Daily Markdownlint cleanup

[OnkarRuikar]

Continuing #16075 till #16036 gets merged.
Daily markdownlint.

Metadata

• Fixes a typo, bug, or other error

[github-actions]

Preview URLs

• https://pr16124.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/HTMLMediaElement/msInsertAudioEffect
• https://pr16124.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/HTMLObjectElement/setCustomValidity
• https://pr16124.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/msCaching
• https://pr16124.content.dev.mdn.mozit.cloud/en-US/docs/Web/HTML/Global_attributes/itemtype
• https://pr16124.content.dev.mdn.mozit.cloud/en-US/docs/Web/HTTP/Caching

Flaws

Note! 4 documents with no flaws that don't need to be listed. 🎉

URL: /en-US/docs/Web/API/HTMLObjectElement/setCustomValidity
Title: HTMLObjectElement.setCustomValidity()
on GitHub
Flaw count: 3

• macros:
  • /en-US/docs/Web/API/ValidityState/valueMissing does not exist
  • /en-US/docs/Web/API/ValidityState/valid does not exist
  • /en-US/docs/Web/API/ValidityState/customError does not exist

External URLs

URL: /en-US/docs/Web/HTML/Global_attributes/itemtype
Title: itemtype
on GitHub

• https://developers.google.com/search/docs/advanced/structured-data (1 time)
• https://schema.org/ (2 times)
• https://schema.org/MusicEvent (2 times)
• https://schema.org/Thing (1 time)
• https://schema.org/location (1 time)
• https://schema.org/startDate (1 time)

---

URL: /en-US/docs/Web/API/HTMLMediaElement/msInsertAudioEffect
Title: HTMLMediaElement.msInsertAudioEffect()
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/HTMLObjectElement/setCustomValidity
Title: HTMLObjectElement.setCustomValidity()
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/msCaching
Title: msCaching
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/HTTP/Caching
Title: HTTP caching
on GitHub

No new external URLs

[teoli2003]

👍