Refine description for Enable-AzSynapseWorkspace cmdlet help doc (#15668

)

* refine description for Enable-AzSynapseWorkspace cmdlet help doc

* put the description in one line

src/Synapse/Synapse/help/Enable-AzSynapseWorkspace.md

@@ -8,7 +8,7 @@ schema: 2.0.0
 # Enable-AzSynapseWorkspace
 
 ## SYNOPSIS
-Activate a new Azure Synapse Analytics workspace.
+When creating an Azure Synapse Analytics workspace, you can choose to encrypt all data at rest in the workspace `with a customer-managed key which will provide double encryption to the workspace.You may need to set up the encryption environment firstly, such as to create a key vault with purge protection enable and specify Access Polices to the key vault. Then use this cmdlet to activate the new Azure Synapse Analytics workspace which double encryption is enabled using a customer-managed key.
 
 ## SYNTAX
 
@@ -39,7 +39,7 @@ Enable-AzSynapseWorkspace -ResourceId <String> [-EncryptionKeyIdentifier <String
 ```
 
 ## DESCRIPTION
-The Enable-AzSynapseWorkspace cmdlet activites a new Azure Synapse Analytics workspace.
+The Enable-AzSynapseWorkspace cmdlet activates a new Azure Synapse Analytics workspace which double encryption is enabled using a customer-managed key.
 
 ## EXAMPLES
 
@@ -48,15 +48,15 @@ The Enable-AzSynapseWorkspace cmdlet activites a new Azure Synapse Analytics wor
 PS C:\> Enable-AzSynapseWorkspace -WorkspaceName ContosoWorkspace
 ```
 
-This command activites a new Azure Synapse Analytics workspace named ContosoWorkspace.
+This command activates a new Azure Synapse Analytics workspace named ContosoWorkspace.
 
 ### Example 2
 ```powershell
 PS C:\> $ws = Get-AzSynapseWorkspace -Name ContosoWorkspace
 		$ws | Enable-AzSynapseWorkspace
 ```
 
-This command activites a new Azure Synapse Analytics workspace named ContosoWorkspace through pipeline.
+This command activates a new Azure Synapse Analytics workspace named ContosoWorkspace through pipeline.
 
 ### Example 3
 ```powershell