diff --git a/site/_data/browser-features.yml b/site/_data/browser-features.yml
index 303113da8a..8f75cb3af5 100644
--- a/site/_data/browser-features.yml
+++ b/site/_data/browser-features.yml
@@ -82,7 +82,7 @@
   browser: >
     Chrome
   summary: >
-    Fire a [`transitioncancel` event](https://developer.mozilla.org/en-US/docs/Web/Events/transitioncancel) when a CSS transition is canceled
+    Fire a [`transitioncancel` event](https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/transitioncancel_event) when a CSS transition is canceled
   upstream_bug: >
     Chromium#642487
   origin: >
@@ -112,7 +112,7 @@
   browser: >
     Safari
   summary: >
-    Fire a [`transitioncancel` event](https://developer.mozilla.org/en-US/docs/Web/Events/transitioncancel) when a CSS transition is canceled
+    Fire a [`transitioncancel` event](https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/transitioncancel_event) when a CSS transition is canceled
   upstream_bug: >
     WebKit#161535
   origin: >