Update Remove-Mailbox.md

Issue #8278

Author: chrisda

exchange/exchange-ps/exchange/Remove-Mailbox.md

@@ -97,15 +97,15 @@ This example removes the mailbox and the user account for the user named John Ro
 Remove-Mailbox -Identity "John Rodman" -Permanent $true
 ```
 
-This example removes the mailbox and the user account for the user named John Rodman. The mailbox is immediately and permanently removed from the mailbox database.
+In on-premises Exchange, this example removes the mailbox and the user account for the user named John Rodman. The mailbox is immediately and permanently removed from the mailbox database.
 
 ### Example 3
 ```powershell
 $Temp = Get-Mailbox | Where {$_.DisplayName -eq 'John Rodman'}
 Remove-Mailbox -Database Server01\Database01 -StoreMailboxIdentity $Temp.MailboxGuid
 ```
 
-This example removes John Rodman's mailbox from the mailbox database after the mailbox has been disconnected from the user account. The example uses the Get-Mailbox cmdlet to retrieve the mailbox GUID value of the disconnected mailbox, which is required by the StoreMailboxIdentity parameter.
+In on-premises Exchange, this example removes John Rodman's mailbox from the mailbox database after the mailbox has been disconnected from the user account. The example uses the Get-Mailbox cmdlet to retrieve the mailbox GUID value of the disconnected mailbox, which is required by the StoreMailboxIdentity parameter.
 
 ### Example 4
 ```powershell