diff --git a/src/About.tsx b/src/About.tsx
index d413291..e4c8846 100644
--- a/src/About.tsx
+++ b/src/About.tsx
@@ -75,6 +75,11 @@ export function About() {
         <a href="https://github.com/lynn/hello-wordl/issues">here</a>, or tweet{" "}
         <a href="https://twitter.com/chordbug">@chordbug</a>.
       </p>
+      <p>
+        This game will be free and ad-free forever,
+        <br />
+        but you can <a href="https://ko-fi.com/chordbug">buy me a coffee</a> if you'd like.
+      </p>
     </div>
   );
 }