diff --git a/api/BackgroundFetchRegistration.json b/api/BackgroundFetchRegistration.json
index 8f3f4362bfbae9..7fed337a7807a1 100644
--- a/api/BackgroundFetchRegistration.json
+++ b/api/BackgroundFetchRegistration.json
@@ -391,10 +391,11 @@
           }
         }
       },
-      "onprogress": {
+      "progress_event": {
         "__compat": {
-          "mdn_url": "https://developer.mozilla.org/docs/Web/API/BackgroundFetchRegistration/onprogress",
-          "spec_url": "https://wicg.github.io/background-fetch/#dom-backgroundfetchregistration-onprogress",
+          "mdn_url": "https://developer.mozilla.org/docs/Web/API/BackgroundFetchRegistration/progress_event",
+          "description": "<code>progress</code> event",
+          "spec_url": "https://wicg.github.io/background-fetch/#background-fetch-registration-events",
           "support": {
             "chrome": {
               "version_added": "74"