Update New-AzureRmOperationalInsightsWorkspace.md

If you are a CSP Get-AzureRmOperationalInsightsWorkspace does not work unless you put standalone as the sku.

Author: theheatDK

src/ResourceManager/OperationalInsights/Commands.OperationalInsights/help/New-AzureRmOperationalInsightsWorkspace.md

@@ -42,6 +42,9 @@ The first command uses the Get-AzureRmOperationalInsightsLinkTargets cmdlet to g
 The second command passes the first account link target in $OILinkTargets to the **New-AzureRmOperationalInsightsWorkspace** cmdlet by using the pipeline operator.
 The command creates a standard SKU workspace named MyWorkspace that is linked to the first Operational Insights account in $OILinkTargets.
 
+> [!NOTE]
+> A new [https://docs.microsoft.com/en-us/azure/monitoring-and-diagnostics/monitoring-usage-and-estimated-costs#new-pricing-model][pricing model] has been released. If you are a CSP that means that you have to use standalone for the sku. Behind the scene the sku will be changed to pergb2018.
+
 ## PARAMETERS
 
 ### -CustomerId
@@ -156,6 +159,7 @@ Specifies the service tier of the workspace.
 Valid values are: 
 - free
 - standard
+- standalone
 - premium
 
 ```yaml