diff --git a/exchange/exchange-ps/exchange/Set-OwaMailboxPolicy.md b/exchange/exchange-ps/exchange/Set-OwaMailboxPolicy.md
index 44c2d796e9..1499dfba1d 100644
--- a/exchange/exchange-ps/exchange/Set-OwaMailboxPolicy.md
+++ b/exchange/exchange-ps/exchange/Set-OwaMailboxPolicy.md
@@ -585,6 +585,8 @@ Accept wildcard characters: False
 ```
 
 ### -CalendarEnabled
+This parameter is functional only in on-premises Exchange.
+
 The CalendarEnabled parameter specifies whether to enable or disable the calendar in Outlook Web App. Valid values are:
 
 - $true: The Calendar is available in Outlook Web App. This is the default value.