Fix parameter set name

Changed StrategyParamerSet to SimpleParameterSet in description section

Author: Sean Wheeler

src/ResourceManager/Compute/Commands.Compute/help/New-AzureRmVM.md

@@ -46,7 +46,7 @@ This cmdlet takes a virtual machine object as input.
 Use the New-AzureRmVMConfig cmdlet to create a virtual machine object.
 Other cmdlets can be used to configure the virtual machine, such as Set-AzureRmVMOperatingSystem, Set-AzureRmVMSourceImage, Add-AzureRmVMNetworkInterface, and Set-AzureRmVMOSDisk.
 
-The `StrategyParameterSet` provides a convenient method to create a VM by making common VM creation arguments optional.
+The `SimpleParameterSet` provides a convenient method to create a VM by making common VM creation arguments optional.
 
 ## EXAMPLES