Fix the wrong new line in the script

There are comments and scripts that are multiple lines but they're not formatted correctly. For example, the new line of comment isn't starting with `#`. And the line in the command doesn't end with `\` to mean that the next line is a continuation.

Author: kceiw

articles/event-grid/configure-private-endpoints.md

@@ -210,8 +210,8 @@ topicName = "<TOPIC NAME>"
 connectionName="<ENDPOINT CONNECTION NAME>"
 endpointName=<ENDPOINT NAME>
 
-# resource ID of the topic. replace <SUBSCRIPTION ID>, <RESOURCE GROUP NAME>, and <TOPIC NAME>
-topicResourceID="/subscriptions/<SUBSCRIPTION ID>/resourceGroups/<RESOURCE GROUP NAME>/providers/Microsoft.EventGrid/topics/<TOPIC NAME>"
+# resource ID of the topic. replace <SUBSCRIPTION ID>, <RESOURCE GROUP NAME>, and <TOPIC NAME> 
+# topicResourceID="/subscriptions/<SUBSCRIPTION ID>/resourceGroups/<RESOURCE GROUP NAME>/providers/Microsoft.EventGrid/topics/<TOPIC NAME>"
 
 # select subscription
 az account set --subscription $subscriptionID
@@ -251,7 +251,7 @@ az eventgrid topic show \
     --name $topicName
 
 # create private endpoint for the topic you created
-az network private-endpoint create 
+az network private-endpoint create \
     --resource-group $resourceGroupName \
     --name $endpointName \
     --vnet-name $vNetName \