diff --git a/features-json/av1.json b/features-json/av1.json
index dea7318c30..42a82f78e6 100644
--- a/features-json/av1.json
+++ b/features-json/av1.json
@@ -49,30 +49,30 @@
       "16":"n",
       "17":"n",
       "18":"n d #1",
-      "79":"y",
-      "80":"y",
-      "81":"y",
-      "83":"y",
-      "84":"y",
-      "85":"y",
-      "86":"y",
-      "87":"y",
-      "88":"y",
-      "89":"y",
-      "90":"y",
-      "91":"y",
-      "92":"y",
-      "93":"y",
-      "94":"y",
-      "95":"y",
-      "96":"y",
-      "97":"y",
-      "98":"y",
-      "99":"y",
-      "100":"y",
-      "101":"y",
-      "102":"y",
-      "103":"y"
+      "79":"n d #1",
+      "80":"n d #1",
+      "81":"n d #1",
+      "83":"n d #1",
+      "84":"n d #1",
+      "85":"n d #1",
+      "86":"n d #1",
+      "87":"n d #1",
+      "88":"n d #1",
+      "89":"n d #1",
+      "90":"n d #1",
+      "91":"n d #1",
+      "92":"n d #1",
+      "93":"n d #1",
+      "94":"n d #1",
+      "95":"n d #1",
+      "96":"n d #1",
+      "97":"n d #1",
+      "98":"n d #1",
+      "99":"n d #1",
+      "100":"n d #1",
+      "101":"n d #1",
+      "102":"n d #1",
+      "103":"n d #1"
     },
     "firefox":{
       "2":"n",
@@ -498,7 +498,7 @@
   },
   "notes":"",
   "notes_by_num":{
-    "1":"Can be enabled in Edge 18 by installing the AV1 Video Extension from the Microsoft Store",
+    "1":"Can be enabled in Edge on Windows 10 or later by installing the [AV1 Video Extension from the Microsoft Store](https://www.microsoft.com/store/productId/9MVZQVXJBQ9V)",
     "2":"Firefox 65 only supported AV1 on Windows 64-bit",
     "3":"Firefox 66 only supported AV1 on Windows and macOS",
     "4":"Can be enabled in Firefox for Android via the `media.av1.enabled` flag in `about:config`"