diff --git a/css/selectors/backdrop.json b/css/selectors/backdrop.json
index bea2fc9ed52072..ae2cd876b57e49 100644
--- a/css/selectors/backdrop.json
+++ b/css/selectors/backdrop.json
@@ -95,12 +95,11 @@
             ],
             "support": {
               "chrome": {
-                "version_added": false
+                "version_added": "69"
               },
               "chrome_android": "mirror",
               "edge": {
-                "version_added": "12",
-                "version_removed": "79"
+                "version_added": "12"
               },
               "firefox": {
                 "version_added": "47"