diff --git a/specification/recoveryservicessiterecovery/resource-manager/Microsoft.RecoveryServices/stable/2018-07-10/service.json b/specification/recoveryservicessiterecovery/resource-manager/Microsoft.RecoveryServices/stable/2018-07-10/service.json
index ea6c251dceb2..522c8ff4f166 100644
--- a/specification/recoveryservicessiterecovery/resource-manager/Microsoft.RecoveryServices/stable/2018-07-10/service.json
+++ b/specification/recoveryservicessiterecovery/resource-manager/Microsoft.RecoveryServices/stable/2018-07-10/service.json
@@ -8006,6 +8006,16 @@
           "type": "string",
           "readOnly": true
         },
+        "initialPrimaryZone": {
+          "description": "The initial primary availability zone.",
+          "type": "string",
+          "readOnly": true
+        },
+        "initialRecoveryZone": {
+          "description": "The initial recovery availability zone.",
+          "type": "string",
+          "readOnly": true
+        },
         "multiVmGroupId": {
           "description": "The multi vm group Id.",
           "type": "string"
@@ -14383,7 +14393,7 @@
           "type": "string"
         }
       },
-      "x-ms-discriminator-value": "RecoveryPlanA2ADetails"
+      "x-ms-discriminator-value": "A2A"
     },
     "RecoveryPlanA2AInput": {
       "description": "Recovery plan A2A input.",