Update Set-MpPreference.md

Author: marysiakam9889

docset/winserver2019-ps/defender/Set-MpPreference.md

@@ -41,7 +41,7 @@ Set-MpPreference [-ExclusionPath <String[]>] [-ExclusionExtension <String[]>] [-
  [-LowThreatDefaultAction <ThreatAction>] [-ModerateThreatDefaultAction <ThreatAction>]
  [-HighThreatDefaultAction <ThreatAction>] [-SevereThreatDefaultAction <ThreatAction>] [-Force]
  [-DisableBlockAtFirstSeen <Boolean>] [-PUAProtection <PUAProtectionType>] [-CimSession <CimSession[]>]
- [-ThrottleLimit <Int32>] [-AsJob]  [<CommonParameters>]  [-DisableGradualRelease <Boolean>] [-DefinitionUpdatesChannel <UpdatesChannelType>] [-EngineUpdatesChannel <UpdatesChannelType>] [-PlatformUpdatesChannel <UpdatesChannelType>]
+ [-ThrottleLimit <Int32>] [-AsJob]  [<CommonParameters>]  [-DisableGradualRelease <Boolean>] [-SignaturesnUpdatesChannel <UpdatesChannelType>] [-EngineUpdatesChannel <UpdatesChannelType>] [-PlatformUpdatesChannel <UpdatesChannelType>]
 ```
 
 ## DESCRIPTION