More precisely: add a "description" term to the Link Relationships Vocabulary.

This would make it possible to use the Link Element to refer to an extended description with a specific media type (e.g., HTML, Markdown...).

For the origin of the use case see: #1650, the proposed solution in #1650 (comment).

(Note, the WG resolution is not to accept the proposal as it was originally raised in #1650, this would be a replacement.)