diff --git a/TODO.md b/TODO.md
index 04de548..790b417 100644
--- a/TODO.md
+++ b/TODO.md
@@ -133,5 +133,5 @@ See `docs/specs/web-redesign`.
 - [ ] CI that runs the tests (the backend's need a JDK 25 and Docker)
 - [ ] The rules exist twice, in `packages/mancala.js` and in the backend's Java port; a parity test keeps them alike,
       but every rule change has to be made in both
-- [ ] Pre-existing type errors: 4 in the frontend, 11 in mobile; the frontend has no `tsconfig.json`, so nothing
-      type-checks it
+- [ ] Pre-existing type errors: 1 in the frontend (`react-dom/client`), 11 in mobile; the frontend has no
+      `tsconfig.json`, so nothing type-checks it