Update Remove-ComplianceTag.md

Author: dariomws

exchange/exchange-ps/exchange/Remove-ComplianceTag.md

@@ -98,7 +98,7 @@ Accept wildcard characters: False
 ```
 
 ### -WhatIf
-The WhatIf switch doesn't work in Office 365 Security & Compliance Center PowerShell.
+The WhatIf switch causes the command to simulate its results. By using this switch, you can view what changes would occur without having to commit those changes.
 
 ```yaml
 Type: SwitchParameter