diff --git a/specification/eventgrid/data-plane/Microsoft.SignalRService/stable/2018-01-01/SignalRService.json b/specification/eventgrid/data-plane/Microsoft.SignalRService/stable/2018-01-01/SignalRService.json
index 0d2582a667dc..b84735e9dc70 100644
--- a/specification/eventgrid/data-plane/Microsoft.SignalRService/stable/2018-01-01/SignalRService.json
+++ b/specification/eventgrid/data-plane/Microsoft.SignalRService/stable/2018-01-01/SignalRService.json
@@ -16,7 +16,7 @@
           "format": "date-time",
           "type": "string"
         },
-        "hub": {
+        "hubName": {
           "description": "The hub of connected client connection.",
           "type": "string"
         },
@@ -39,7 +39,7 @@
           "format": "date-time",
           "type": "string"
         },
-        "hub": {
+        "hubName": {
           "description": "The hub of connected client connection.",
           "type": "string"
         },