You can email comments and corrections to [Brian Marick](mailto:dull.world0897@fastmail.com?subject=Wiki%20tutorial).
The easiest way to identify a page is to copy the URL in the browser's address bar.
Note: The email address is something peculiar like `dull.world0897@fastmail.com`. That's an email address I can throw away if spammers start using it. Don't assume it will stay the same.