You can add:
- multiple paragraphs
- bullet point lists
- emphasized, bold and even bold emphasized text
- links
- other shortcodes besides
include
- etc.
...and even source code
the possiblities are endless
## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##
You can add:
include
...and even source code
the possiblities are endless