Contact
Corrections are the most useful thing you can send. Second most useful: a symptom you searched for and could not find a straight answer to.
If you are reporting an error in a guide, include the guide title, your appliance or component model, and the manual page or your own reading that contradicts the guide. Verified corrections get made and the revision date is updated.
Email works too: hello@chockandlevel.com. Please do not send photos of a propane leak and wait for a reply; close the tank valve and call a technician.