Update article.md
Adding some mention of implicit `<tbody>` element. Comes up later in Modifying the Document task #10 solution.
P
Peter Roche committed
580221f6fbebdbe72920a54c7d79b2a0e4bd601d
Parent: 9e7235f
Committed by GitHub <noreply@github.com>
on 11/4/2019, 5:46:29 AM