Update network-requirements.md

Author: alt-key

articles/azure-arc/resource-bridge/network-requirements.md

@@ -27,20 +27,22 @@ DNS Server must have internal and external endpoint resolution. The appliance VM
 
 The example below highlights a couple key requirements for Arc resource bridge when creating the configuration files. The IPs for `k8snodeippoolstart` and `k8snodeippoolend` reside in the subnet range designated in `ipaddressprefix`. The `ipaddressprefix` is provided in the format of the subnet's IP address range for the virtual network and subnet mask (IP Mask) in CIDR notation.
 
+```
 azurestackhciprovider:
-<br> virtualnetwork:
-<br>        name: "mgmtvnet"
-<br>        vswitchname: "Default Switch"
-<br>        type: "Transparent"
-<br>        macpoolname: 
-<br>        vlanid: 0
-<br>        ipaddressprefix: 172.16.0.0/16
-<br>        gateway: 17.16.1.1
-<br>        dnsservers: 17.16.0.1
-<br>        vippoolstart: 172.16.250.0
-<br>        vippoolend: 172.16.250.254
-<br>        k8snodeippoolstart: 172.16.30.0
-<br>        k8snodeippoolend: 172.16.30.254
+virtualnetwork:
+name: "mgmtvnet
+vswitchname: "Default Switch
+type: "Transparent"
+macpoolname
+vlanid: 0
+ipaddressprefix: 172.16.0.0/16
+gateway: 17.16.1.1
+dnsservers: 17.16.0.1
+vippoolstart: 172.16.250.0
+vippoolend: 172.16.250.254
+k8snodeippoolstart: 172.16.30.0
+k8snodeippoolend: 172.16.30.254
+```
 
 ## General network requirements