Changing on-premise to on-premises (Azure#17974)

Definitions:
Premises: a house or building, together with its land and outbuildings (properties).
Premise: an idea, theory, or theme that forms the basis for a statement or action.

Author: DarrylvanderPeijl

src/StackHCI/help/Register-AzStackHCI.md

@@ -8,7 +8,7 @@ schema: 2.0.0
 # Register-AzStackHCI
 
 ## SYNOPSIS
-Register-AzStackHCI creates a Microsoft.AzureStackHCI cloud resource representing the on-premise cluster and registers the on-premise cluster with Azure.
+Register-AzStackHCI creates a Microsoft.AzureStackHCI cloud resource representing the on-premises cluster and registers the on-premises cluster with Azure.
 
 ## SYNTAX
 
@@ -22,7 +22,7 @@ Register-AzStackHCI [-SubscriptionId] <String> [[-Region] <String>] [[-ResourceN
 ```
 
 ## DESCRIPTION
-Register-AzStackHCI creates a Microsoft.AzureStackHCI cloud resource representing the on-premise cluster and registers the on-premise cluster with Azure.
+Register-AzStackHCI creates a Microsoft.AzureStackHCI cloud resource representing the on-premises cluster and registers the on-premises cluster with Azure.
 
 ## EXAMPLES
 
@@ -132,7 +132,7 @@ Accept wildcard characters: False
 ```
 
 ### -ComputerName
-Specifies the cluster name or one of the cluster node in on-premise cluster that is being registered to Azure.
+Specifies the cluster name or one of the cluster node in on-premises cluster that is being registered to Azure.
 
 ```yaml
 Type: System.String
@@ -274,7 +274,7 @@ Accept wildcard characters: False
 
 ### -ResourceName
 Specifies the resource name of the resource created in Azure.
-If not specified, on-premise cluster name is used.
+If not specified, on-premises cluster name is used.
 
 ```yaml
 Type: System.String