diff --git a/index.html b/index.html
index 8eb0b26..fd5633d 100644
--- a/index.html
+++ b/index.html
@@ -34,7 +34,7 @@ Desktop streaming to an Apple II with Super Serial Card
 <section id=requirements>
 <h2>Requirements</h2>
 <ul>
-  <li>Modern browser with <a target=_blank href="https://w3c.github.io/mediacapture-screen-share/">Screen Capture</a> and <a target=_blank href="https://wicg.github.io/serial/">Web Serial</a> support. (Circa late 2018, both are highly experimental.)
+  <li>Modern browser with support for <a target=_blank href="https://w3c.github.io/mediacapture-screen-share/">Screen Capture</a> (<a target=_blank href="https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getDisplayMedia#Browser_compatibility">list</a>) and <a target=_blank href="https://wicg.github.io/serial/">Web Serial</a> (circa mid-2019, not yet available)
   <li>Apple II with Super Serial Card in slot 2. (e.g. Apple IIc, Apple IIgs, Laser 128)
   <li>Serial connection between your modern computer and the Apple, such as via a <a target=_blank href="https://en.wikipedia.org/wiki/Null_modem">null-modem</a> cable and USB to RS-232 adapter from <a target=_blank href="http://retrofloppy.com/products/">RetroFloppy</a>.
 </ul>