diff --git a/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/examples/CreateOrUpdateWorkspace.json b/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/examples/CreateOrUpdateWorkspace.json
index 9c4f060191d2..a4ce45333572 100644
--- a/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/examples/CreateOrUpdateWorkspace.json
+++ b/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/examples/CreateOrUpdateWorkspace.json
@@ -77,7 +77,7 @@
               "principalId": "eeeeeeee-9999-4444-8888-333333333333"
             }
           },
-          "principalId": "f4b0f1c2-xxxx-43db-xxxx-ccd99e1afd22",
+          "principalId": "00000000-1111-2222-3333-444444444444",
           "tenantId": "00000000-1111-2222-3333-444444444444"
         },
         "properties": {
@@ -157,7 +157,7 @@
               "principalId": "eeeeeeee-9999-4444-8888-333333333333"
             }
           },
-          "principalId": "f4b0f1c2-xxxx-43db-xxxx-ccd99e1afd22",
+          "principalId": "00000000-1111-2222-3333-444444444444",
           "tenantId": "00000000-1111-2222-3333-444444444444"
         },
         "properties": {
diff --git a/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/examples/DeleteIpFirewallRule.json b/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/examples/DeleteIpFirewallRule.json
index d8be05d1ae86..7a83a894c051 100644
--- a/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/examples/DeleteIpFirewallRule.json
+++ b/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/examples/DeleteIpFirewallRule.json
@@ -12,8 +12,6 @@
         "id": "/subscriptions/01234567-89ab-4def-0123-456789abcdef/resourceGroups/ExampleResourceGroup/providers/Microsoft.Synapse/workspaces/ExampleWorkspace/firewallRules/ExampleIpFirewallRule",
         "type": "Microsoft.Synapse/workspaces/firewallRules",
         "name": "ExampleIpFirewallRule",
-        "location": "West US 2",
-        "tags": {},
         "properties": {
           "startIpAddress": "10.0.0.0",
           "endIpAddress": "10.0.0.254",
diff --git a/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/examples/DeletePrivateEndpointConnection.json b/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/examples/DeletePrivateEndpointConnection.json
index 0168342d3e06..8fff59e01930 100644
--- a/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/examples/DeletePrivateEndpointConnection.json
+++ b/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/examples/DeletePrivateEndpointConnection.json
@@ -9,6 +9,9 @@
   "responses": {
     "200": {},
     "202": {
+      "headers": {
+        "azure-asyncoperation": "https://ms.web.azuresynapse.net"
+      },
       "body": {
         "status": "InProgress"
       }
diff --git a/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/firewallRule.json b/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/firewallRule.json
index 4fcf5b47da88..cc4df6747e98 100644
--- a/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/firewallRule.json
+++ b/specification/synapse/resource-manager/Microsoft.Synapse/stable/2021-06-01/firewallRule.json
@@ -172,7 +172,7 @@
         "responses": {
           "200": {
             "schema": {
-              "type": "object"
+              "$ref": "#/definitions/IpFirewallRuleInfo"
             },
             "description": "OK"
           },
@@ -244,7 +244,7 @@
           "application/json"
         ],
         "x-ms-examples": {
-          "Create an IP firewall rule": {
+          "Get IP firewall rule": {
             "$ref": "./examples/GetIpFirewallRule.json"
           }
         }
@@ -354,7 +354,12 @@
       "properties": {
         "endIpAddress": {
           "description": "The end IP address of the firewall rule. Must be IPv4 format. Must be greater than or equal to startIpAddress",
-          "type": "string"
+          "type": "string",
+          "x-ms-mutability": [
+            "create",
+            "read",
+            "update"
+          ]
         },
         "provisioningState": {
           "description": "Resource provisioning state",
@@ -374,7 +379,12 @@
         },
         "startIpAddress": {
           "description": "The start IP address of the firewall rule. Must be IPv4 format",
-          "type": "string"
+          "type": "string",
+          "x-ms-mutability": [
+            "create",
+            "read",
+            "update"
+          ]
         }
       }
     },