diff --git a/api/Window.json b/api/Window.json
index bef31b5735d30b..debbd1dfbd332b 100644
--- a/api/Window.json
+++ b/api/Window.json
@@ -1133,7 +1133,7 @@
             "chrome_android": "mirror",
             "edge": "mirror",
             "firefox": {
-              "version_added": false
+              "version_added": "110"
             },
             "firefox_android": "mirror",
             "ie": {