Document the hint toggle - Add "Putting it away" under the hint bar: what ctrl+_ hides, what the bottom border says while it is hidden, and the three bars that are drawn whatever the flag says - Add the key to both tables, and say why it is a chord on the picker, where bare letters are filter input - Answer "Can I hide the hint bar?" in the FAQ - Cover the terminals that send nothing for the chord in Troubleshooting, with ctrl+/ and the config flag as the ways round it
Link the Q&A and Ideas discussion categories - Add Q&A and Ideas to the footer shown on every page - Add an Ask group to the sidebar - Point Home, Troubleshooting and FAQ at the right category
CLI reference and troubleshooting