diff --git a/api/SVGElement.json b/api/SVGElement.json
index 57d1d4d16d8dab..b55d6910fef58e 100644
--- a/api/SVGElement.json
+++ b/api/SVGElement.json
@@ -409,9 +409,9 @@
               "version_added": "12"
             },
             "firefox": {
-              "alternative_name": "SVGLoad",
               "version_added": "4",
-              "notes": "See [bug 620002](https://bugzil.la/620002) for implementation status of the standard `load` event."
+              "partial_implementation": true,
+              "notes": "Firefox uses a non-standard `SVGLoad` event. See [bug 620002](https://bugzil.la/620002) for implementation status of the standard `load` event."
             },
             "firefox_android": "mirror",
             "ie": {