Merge pull request #4263 from shuxianc/patch-1

Update example 2

Author: cormacpayne

src/ResourceManager/ApiManagement/Commands.ApiManagement/help/Add-AzureRmApiManagementRegion.md

@@ -33,7 +33,7 @@ This command adds two premium SKU units and the region named East US to the **Ps
 
 ### Example 2: Add new deployment regions to a PsApiManagement instance and then update deployment
 ```
-PS C:\>Get-AzureRmApiManagement -ResourceGroupName "Contoso" -Name "ContosoApi" | Add-AzureRmApiManagementRegion -Location "East US" -Sku "Premium" -Capacity 2 | Update-AzureRmApiManagementDeployments
+PS C:\>Get-AzureRmApiManagement -ResourceGroupName "Contoso" -Name "ContosoApi" | Add-AzureRmApiManagementRegion -Location "East US" -Sku "Premium" -Capacity 2 | Update-AzureRmApiManagementDeployment
 ```
 
 This command gets a **PsApiManagement** object, adds two premium SKU units for the region named East US, and then updates deployment.