diff --git a/api/MediaSession.json b/api/MediaSession.json
index a7569b4118b36f..f00230a67df4e3 100644
--- a/api/MediaSession.json
+++ b/api/MediaSession.json
@@ -674,6 +674,8 @@
       },
       "setCameraActive": {
         "__compat": {
+          "description": "<code>setCameraActive()</code>",
+          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSession/setCameraActive",
           "spec_url": "https://w3c.github.io/mediasession/#dom-mediasession-setcameraactive",
           "support": {
             "chrome": {
@@ -709,6 +711,8 @@
       },
       "setMicrophoneActive": {
         "__compat": {
+          "description": "<code>setMicrophoneActive()</code>",
+          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaSession/setMicrophoneActive",
           "spec_url": "https://w3c.github.io/mediasession/#dom-mediasession-setmicrophoneactive",
           "support": {
             "chrome": {