diff --git a/client/Upload.tsx b/client/Upload.tsx
index be52e21..fa853cc 100644
--- a/client/Upload.tsx
+++ b/client/Upload.tsx
@@ -164,6 +164,17 @@ export default function Upload() {
   return (
     <>
       <h3>How does this work?</h3>
+      <p style={{ color: "darkred" }}>
+        <b>
+          RECEIVER MUST BE USING CHROME{" "}
+          <a
+            href="https://caniuse.com/mdn-api_window_showsavefilepicker"
+            target="_blank"
+          >
+            [?]
+          </a>
+        </b>
+      </p>
       <ol>
         <li>
           <b>Uploader:</b> Copy the key and send it to whoever you're sending