diff --git a/specification/iothub/resource-manager/Microsoft.Devices/preview/2020-07-10-preview/iothub.json b/specification/iothub/resource-manager/Microsoft.Devices/preview/2020-07-10-preview/iothub.json
index ea0fa62d2d2c..59d9bcb1c64e 100644
--- a/specification/iothub/resource-manager/Microsoft.Devices/preview/2020-07-10-preview/iothub.json
+++ b/specification/iothub/resource-manager/Microsoft.Devices/preview/2020-07-10-preview/iothub.json
@@ -3187,6 +3187,7 @@
           "$ref": "#/definitions/IotHubSkuInfo"
         },
         "identity": {
+          "description": "The managed identities for the IotHub.",
           "$ref": "#/definitions/ArmIdentity"
         }
       },