Fixing my tooltip accessibility mistake

I made an accessibility error, and I want you to learn from my mistakes. I've been making short videos recently about web platform features as they land in Firefox, and also about other web standards & development stuff. If you'd prefer to watch a 3-minute video version of this article, pick your platform, and give the account a follow if this kind of thing interests you: Instagram TikTok YouTube Mastodon LinkedIn The account is also on Bluesky, but video uploading has been broken there for a while. Otherwise, here's the written version… What I did I made the accessibility error when I created a tooltip like this: That was part of a video on popover="hint", which also covers how to show the tooltip for visual users. Oh ok, here are links to that video too: Instagram TikTok YouTube Mastodon LinkedIn I did try to get it right! I spoke to friends who know more about accessibility than me, and they pointed me towards these demos by Scott O'Hara. Now, Scott knows what he's talking about,…