When somebody (related to HN topics like the author of a programming language) dies HN shows a black bar at the top. That leads to questions, e.g. "Ask HN: Why

When somebody (related to HN topics like the author of a programming language) dies HN shows a black bar at the top. That leads to questions, e.g. "Ask HN: Why is HN showing a black bar now?". Add explanation to the FAQ and even better add a mouse-over help or click-able help to explain what the bar means.