diff --git a/README.md b/README.md
index 1436178..d49bb81 100644
--- a/README.md
+++ b/README.md
@@ -737,6 +737,7 @@ As part of calling `event.intercept()` to [intercept a navigation](#navigation-m
 
 - `navigationType`: either `"reload"`, `"push"`, `"replace"`, or `"traverse"` indicating what type of navigation this is
 - `from`: the `NavigationHistoryEntry` that was the current one before the transition
+- `to`: the `NavigationDestination` of the transition. This could differ from the current URL if a `precommitHandler` has called `precommitController.redirect()`.
 - `finished`: a promise which fulfills with undefined when the `navigatesuccess` event fires on `navigation`, or rejects with the corresponding error when the `navigateerror` event fires on `navigation`
 
 #### Example: handling failed navigations