updates to HW1 to fix typos and FAQ.

This PR contains minor typo fixes and an added FAQ to the finding AT around us HW. I feel confident about all of the changes, but tagging @jmankoff in case you would like to take a look. @khanna38 as usuall, please review, perform a visual verification, and merge.

requested review from @khanna38

approved this merge request

mentioned in commit a671a3f3

merged