Revise minor issues in doc and example (#19082)

Co-authored-by: Beisi Zhou <[email protected]>

Author: dingmeng-xue

src/KeyVault/KeyVault/Commands/SetAzureKeyVaultAccessPolicy.cs

@@ -204,13 +204,13 @@ public class SetAzureKeyVaultAccessPolicy : KeyVaultManagementCmdletBase
         /// </summary>
         [Parameter(Mandatory = true,
             ParameterSetName = ByObjectId,
-            HelpMessage = "Specifies the object ID of the user or service principal in Azure Active Directory for which to grant permissions.")]
+            HelpMessage = "Specifies the object ID of the user or service principal in Azure Active Directory for which to grant permissions. Its value is in the format of GUID.")]
         [Parameter(Mandatory = true,
             ParameterSetName = InputObjectByObjectId,
-            HelpMessage = "Specifies the object ID of the user or service principal in Azure Active Directory for which to grant permissions.")]
+            HelpMessage = "Specifies the object ID of the user or service principal in Azure Active Directory for which to grant permissions. Its value is in the format of GUID.")]
         [Parameter(Mandatory = true,
             ParameterSetName = ResourceIdByObjectId,
-            HelpMessage = "Specifies the object ID of the user or service principal in Azure Active Directory for which to grant permissions.")]
+            HelpMessage = "Specifies the object ID of the user or service principal in Azure Active Directory for which to grant permissions. Its value is in the format of GUID.")]
         [ValidateNotNullOrEmpty()]
         public string ObjectId { get; set; }
 

src/KeyVault/KeyVault/help/Set-AzKeyVaultAccessPolicy.md

@@ -293,11 +293,11 @@ This example picks the first one, indicated by index \[0\] in the returned list.
 
 ### Example 7: Grant Azure Information Protection access to the customer-managed tenant key (BYOK)
 ```powershell
-Set-AzKeyVaultAccessPolicy -VaultName 'Contoso04Vault' -ServicePrincipalName 00000012-0000-0000-c000-000000000000 -PermissionsToKeys decrypt,sign,get
+Set-AzKeyVaultAccessPolicy -VaultName 'Contoso04Vault' -ServicePrincipalName 'MyServicePrincipal' -PermissionsToKeys decrypt,sign,get
 ```
 
 This command authorizes Azure Information Protection to use a customer-managed key (the bring your own key, or "BYOK" scenario) as the Azure Information Protection tenant key.
-When you run this command, specify your own key vault name but you must specify the *ServicePrincipalName* parameter with the GUID **00000012-0000-0000-c000-000000000000** and specify the permissions in the example.
+When you run this command, specify your own key vault name but you must specify the *ServicePrincipalName* parameter and specify the permissions in the example.
 
 ## PARAMETERS
 
@@ -424,7 +424,7 @@ Accept wildcard characters: False
 ```
 
 ### -ObjectId
-Specifies the object ID of the user or service principal in Azure Active Directory for which to grant permissions.
+Specifies the object ID of the user or service principal in Azure Active Directory for which to grant permissions. Its value is in the format of GUID.
 
 ```yaml
 Type: System.String

src/Network/Network/ChangeLog.md

@@ -30,7 +30,7 @@
     - Added `CustomV2` to the validation set of `PolicyType`
     - Added `TLSv1_3` to the validation set of `MinProtocolVersion`
     - Removed validation for null or empty cipher suites list since there can be empty cipher suites list for min protocol version of tls1.3
-* Network Watcher Feature Change: Added new paramenter i.e. AzureVMSS as source endpoint in ConnectionMonitor.
+* Network Watcher Feature Change: Added new parameter i.e. AzureVMSS as source endpoint in ConnectionMonitor.
     - `New-AzNetworkWatcherConnectionMonitorEndpointObject`
 * Added `IdentifyTopFatFlow` parameter to `AzureFirewall`
     - `New-AzFirewall`