update help file; fix parameter set name

Author: Filiz Topatan

src/Blueprint/Blueprint/Cmdlets/BlueprintDefinition/SetAzureRMBlueprint.cs

@@ -55,14 +55,14 @@ public override void ExecuteCmdlet()
 
                 switch (ParameterSetName)
                 {
-                    case ParameterSetNames.CreateBlueprintBySubscription:
+                    case ParameterSetNames.UpdateBlueprintBySubscription:
                         var subScope = Utils.GetScopeForSubscription(SubscriptionId ?? DefaultContext.Subscription.Id);
 
                         ThrowIfBlueprintNotExist(subScope, Name);
 
                         WriteObject(BlueprintClient.CreateOrUpdateBlueprint(subScope, Name, bp));
                         break;
-                    case ParameterSetNames.CreateBlueprintByManagementGroup:
+                    case ParameterSetNames.UpdateBlueprintByManagementGroup:
                         var mgScope = Utils.GetScopeForManagementGroup(ManagementGroupId);
 
                         ThrowIfBlueprintNotExist(mgScope, Name);

src/Blueprint/Blueprint/help/Publish-AzBlueprint.md

@@ -28,7 +28,7 @@ PS C:\> Publish-AzBlueprint -Blueprint $bp -Version 1.0
 
 Name           : SimpleBlueprint
 Id             : /subscriptions/{subscriptionId}/providers/Microsoft.Blueprint/blueprints/SimpleBlueprint/versions/1.0
-SubscriptionId : 28cbf98f-381d-4425-9ac4-cf342dab9753
+SubscriptionId : 00000000-1111-0000-1111-000000000000
 Version        : 1.0
 Description    : My simple blueprint
 TimeCreated    : 2019-05-30