diff --git a/site/README.md b/site/README.md
index a119801..d81ad36 100644
--- a/site/README.md
+++ b/site/README.md
@@ -57,7 +57,7 @@ The markup is repeated in each page; change it in all of them (the privacy page
 | Page | What is on it |
 |---|---|
 | `index.html` | The landing page (below). |
-| `download/` | The four clients, a card each (below), then how a client loads a game: `threert dev`, scan, traced and live. |
+| `download/` | The five clients, a card each (below), then how a client loads a game: `threert dev`, scan, traced and live. |
 | `docs/` | Getting started: install the client, open an example, write a scene, the dev loop with the `threert` CLI, the package format and publishing to threert.app, links to the reference documents in `docs/` on GitHub. |
 | `privacy/` | What the apps and the site do with data, including the requests the pages make to other services (below). |
 | `showcase/` | Gone as a page: what it listed is published on threert.app. The Worker answers `/showcase`, `/showcase/` and `/showcase/index.html` with a 301 to `https://threert.app/` (old links: the npm packages' READMEs, the pages of packages built before, earlier apps); `showcase/index.html` is what is left for a host without the Worker, a page that sends the reader on. `showcase/community.json` stays where it is, served as before: ThreeRT for macOS before 0.4.0 reads it (and `play/index.json`) for its Showcase. Nothing is added to it any more: people publish with `threert publish`. |
diff --git a/site/download/index.html b/site/download/index.html
index 2597762..65bbbd5 100644
--- a/site/download/index.html
+++ b/site/download/index.html
@@ -239,7 +239,7 @@ <h3>No ray tracing? <span class="ray-text">Still the same game.</span></h3>
     if (w?.file) {
       $("#windowsAct").innerHTML = row(clientUrl(w), "Download for Windows", `${version(w)} · Preview`, megabytes(w.size)) +
         `<p class="fine">Open the installer. To update, run the newer installer.</p>` +
-        (w.signed === false ? `<p class="fine">Unsigned preview. Windows SmartScreen may warn that this app is unrecognized. Verify the download source before proceeding.</p>` : "") +
+        (w.signed === false ? `<p class="fine">Unsigned preview. Windows SmartScreen may warn that this app is unrecognized. Verify the download source before proceeding. Physical GPU validation is still pending; virtual and software graphics adapters are not supported.</p>` : "") +
         `<div class="row">${w.portable?.file ? `<a href="${esc(clientUrl(w.portable))}" download>Portable ZIP · ${megabytes(w.portable.size)}</a>` : ""}
         ${w.checksums?.file ? `<a href="${esc(clientUrl(w.checksums))}" download>SHA-256 checksums</a>` : ""}</div>` + sha(w);
     } else $("#windowsAct").innerHTML = none("Windows");