Update concepts-network-fabric-controller.md

updated the azcli payload for update

Author: sushantjrao

articles/operator-nexus/concepts-network-fabric-controller.md

@@ -75,17 +75,15 @@ Create a Network Fabric Controller:
 
 ```
 Update Network Fabric Controller with two new ExR:
+
  ```azurecli
-az networkfabric controller create \
---resource-group "NFCResourceGroupName" \
---location "eastus" \
---resource-name "nfcname" \
---ipv4-address-space "10.0.0.0/19" \
---infra-er-connections '[{"expressRouteCircuitId": "/subscriptions/xxxxxx-xxxxxx-xxxx-xxxx-xxxxxx/resourceGroups/ER-Dedicated-WUS2-AFO-Circuits/providers/Microsoft.Network/expressRouteCircuits/MSFT-ER-Dedicated-PvtPeering-WestUS2-AFO-Ckt-01", "expressRouteAuthorizationKey": "<auth-key>"}]' \
---infra-er-connections '[{"expressRouteCircuitId": "/subscriptions/xxxxxx-xxxxxx-xxxx-xxxx-xxxxxx/resourceGroups/ER-Dedicated-WUS2-AFO-Circuits/providers/Microsoft.Network/expressRouteCircuits/MSFT-ER-Dedicated-PvtPeering-WestUS2-AFO-Ckt-02", "expressRouteAuthorizationKey": "<auth-key>"}]' \
- --workload-er-connections '[{"expressRouteCircuitId": "/subscriptions/xxxxxx-xxxxxx-xxxx-xxxx-xxxxxx/resourceGroups/ER-Dedicated-WUS2-AFO-Circuits/providers/Microsoft.Network/expressRouteCircuits/MSFT-ER-Dedicated-PvtPeering-WestUS2-AFO-Ckt-03"", "expressRouteAuthorizationKey": "<auth-key>"}]'
---workload-er-connections '[{"expressRouteCircuitId": "/subscriptions/xxxxxx-xxxxxx-xxxx-xxxx-xxxxxx/resourceGroups/ER-Dedicated-WUS2-AFO-Circuits/providers/Microsoft.Network/expressRouteCircuits/MSFT-ER-Dedicated-PvtPeering-WestUS2-AFO-Ckt-04"", "expressRouteAuthorizationKey": "<auth-key>"}]'
---mrg name=<ManagedResourceGroupName> location=eastus
+az networkfabric controller update \ 
+ --resource-group "NFCResourceGroupName" \ 
+ --location "eastus"  \ 
+ --resource-name "nfcname" \ 
+ --ipv4-address-space "10.0.0.0/19" \ 
+--infra-er-connections "[{expressRouteCircuitId:'/subscriptions/xxxxxx-xxxxxx-xxxx-xxxx-xxxxxx/resourceGroups/ER-Dedicated-WUS2-AFO-Circuits/providers/Microsoft.Network/expressRouteCircuits/MSFT-ER-Dedicated-PvtPeering-WestUS2-AFO-Ckt-01',expressRouteAuthorizationKey:'<auth-key>'},{expressRouteCircuitId:'/subscriptions/xxxxxx-xxxxxx-xxxx-xxxx-xxxxxx/resourceGroups/ER-Dedicated-WUS2-AFO-Circuits/providers/Microsoft.Network/expressRouteCircuits/MSFT-ER-Dedicated-PvtPeering-WestUS2-AFO-Ckt-02',expressRouteAuthorizationKey:'<auth-key>'}]"
+--workload-er-connections "[{expressRouteCircuitId:'/subscriptions/xxxxxx-xxxxxx-xxxx-xxxx-xxxxxx/resourceGroups/ER-Dedicated-WUS2-AFO-Circuits/providers/Microsoft.Network/expressRouteCircuits/MSFT-ER-Dedicated-PvtPeering-WestUS2-AFO-Ckt-03',expressRouteAuthorizationKey:'<auth-key>'},{expressRouteCircuitId:'/subscriptions/xxxxxx-xxxxxx-xxxx-xxxx-xxxxxx/resourceGroups/ER-Dedicated-WUS2-AFO-Circuits/providers/Microsoft.Network/expressRouteCircuits/MSFT-ER-Dedicated-PvtPeering-WestUS2-AFO-Ckt-04',expressRouteAuthorizationKey:'<auth-key>'}]"
 ```
 
 >[!NOTE]