Stop suggesting adding `p-name e-content`

> `p-name` — if your post has a name, use this classname. Otherwise, (if for example the post is a note), either leave it off or apply to the same element as `e-`.

This should be updated to suggest only adding the name property for articles

Locate the guidance quoted in the issue and review how it currently recommends adding `p-name e-content`. Update the wording so the name property is suggested only for articles; the issue does not mention a specific file or test.

Written by the indexing model from the issue text.