This is not actually an appendix, but more of an addendum. A footnote, really. A codicil. You know what? Forget it, we'll just call it a footnote.
Because, honestly, who needs an actual appendix when you can have a footnote that's more exciting?
Here's a link to Section 3, Subsection 1, where things get really interesting. Or not.
Or, if you're feeling adventurous, head over to Section 3, Subsection 2, where the thrill of boredom awaits.