diff --git a/specification/cdn/resource-manager/Microsoft.Cdn/stable/2021-06-01/cdn.json b/specification/cdn/resource-manager/Microsoft.Cdn/stable/2021-06-01/cdn.json
index 96e694e58f71..345b5be8a383 100644
--- a/specification/cdn/resource-manager/Microsoft.Cdn/stable/2021-06-01/cdn.json
+++ b/specification/cdn/resource-manager/Microsoft.Cdn/stable/2021-06-01/cdn.json
@@ -5906,12 +5906,13 @@
     "ResourceType": {
       "description": "Type of CDN resource used in CheckNameAvailability.",
       "enum": [
-        "Microsoft.Cdn/Profiles/Endpoints"
+        "Microsoft.Cdn/Profiles/Endpoints",
+        "Microsoft.Cdn/Profiles/AfdEndpoints"
       ],
       "type": "string",
       "x-ms-enum": {
         "name": "ResourceType",
-        "modelAsString": false
+        "modelAsString": true
       }
     },
     "OperationsListResult": {