diff --git a/src/use-router/use-router.js b/src/use-router/use-router.js
index c9e8cba..eadc78a 100644
--- a/src/use-router/use-router.js
+++ b/src/use-router/use-router.js
@@ -44,7 +44,7 @@ export function useRouter(routes) {
  * @template T
  * allows you to listen to only one route
  * @param {string} path
- * @param {import("./src/matches").RouterCallback} callback
+ * @param {import("./src/matches").RouterCallback} [callback]
  * @returns {[T, StringPath, ParamsPath, SearchPath]}
  */
 export function useRoute(path, callback = (param) => param) {