diff --git a/css/at-rules/counter-style.json b/css/at-rules/counter-style.json
index 66e2f7cd547bcc..a1b9b89ad7376d 100644
--- a/css/at-rules/counter-style.json
+++ b/css/at-rules/counter-style.json
@@ -269,7 +269,7 @@
             ],
             "support": {
               "chrome": {
-                "version_added": false
+                "version_added": "91"
               },
               "chrome_android": "mirror",
               "edge": "mirror",