Update Remove-MailboxPermission.md

Author: chrisda

exchange/exchange-ps/exchange/mailboxes/Remove-MailboxPermission.md

@@ -15,9 +15,7 @@ monikerRange: "exchserver-ps-2010 || exchserver-ps-2013 || exchserver-ps-2016 ||
 ## SYNOPSIS
 This cmdlet is available in on-premises Exchange and in the cloud-based service. Some parameters and settings may be exclusive to one environment or the other.
 
-Use the Remove-MailboxPermission cmdlet to remove permissions from a user's mailbox.
-
-Use the Remove-MailboxPermission cmdlet to remove permissions from a mailuser in Exchange Server 2016, Exchange Server 2019 and Exchaneg Online.
+Use the Remove-MailboxPermission cmdlet to remove permissions from a user's mailbox or from an Exchange Server 2016, Exchange Server 2019 or Exchange Online mail user.
 
 For information about the parameter sets in the Syntax section below, see [Exchange cmdlet syntax](https://docs.microsoft.com/powershell/exchange/exchange-server/exchange-cmdlet-syntax).