diff --git a/api/SerialPort.json b/api/SerialPort.json
index 1e37c5dad3e1e1..de49e94dcfc87a 100644
--- a/api/SerialPort.json
+++ b/api/SerialPort.json
@@ -178,9 +178,7 @@
             "chrome_android": {
               "version_added": false
             },
-            "edge": {
-              "version_added": false
-            },
+            "edge": "mirror",
             "firefox": {
               "version_added": false
             },