Updates to Set-CalendarProcessing and Search-UnifiedAuditLog

Per Issue #1654 and #1655 respectively.

Author: chrisda

exchange/exchange-ps/exchange/mailboxes/Set-CalendarProcessing.md

@@ -223,7 +223,7 @@ Aliases:
 Applicable: Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Online
 Required: False
 Position: Named
-Default value: None
+Default value: False
 Accept pipeline input: False
 Accept wildcard characters: False
 ```

exchange/exchange-ps/exchange/policy-and-compliance-audit/Search-UnifiedAuditLog.md

@@ -11,7 +11,7 @@ monikerRange: "exchonline-ps"
 ## SYNOPSIS
 This cmdlet is available only in the cloud-based service.
 
-Use the Search-UnifiedAuditLog cmdlet to search the unified audit log. This log contains events from Exchange Online, SharePoint Online, OneDrive for Business, Azure Active Directory, Microsoft Teams, Power BI, Sway, and other Office 365 services. You can search for all events in a specified date rage, or you can filter the results based on specific criteria, such as the user who performed the action, the action, or the target object.
+Use the Search-UnifiedAuditLog cmdlet to search the unified audit log. This log contains events from Exchange Online, SharePoint Online, OneDrive for Business, Azure Active Directory, Microsoft Teams, Power BI, Sway, and other Office 365 services. You can search for all events in a specified date range, or you can filter the results based on specific criteria, such as the user who performed the action, the action, or the target object.
 
 For information about the parameter sets in the Syntax section below, see Exchange cmdlet syntax (https://technet.microsoft.com/library/bb123552.aspx).