diff --git a/windows/security/threat-protection/windows-defender-antivirus/manage-protection-updates-windows-defender-antivirus.md b/windows/security/threat-protection/windows-defender-antivirus/manage-protection-updates-windows-defender-antivirus.md
index cb39ebc506..a76cb6ae4a 100644
--- a/windows/security/threat-protection/windows-defender-antivirus/manage-protection-updates-windows-defender-antivirus.md
+++ b/windows/security/threat-protection/windows-defender-antivirus/manage-protection-updates-windows-defender-antivirus.md
@@ -119,11 +119,11 @@ Use the following PowerShell cmdlets to set the update order.
 
 ```PowerShell
 Set-MpPreference -SignatureFallbackOrder {LOCATION|LOCATION|LOCATION|LOCATION}
-Set-MpPreference -SignatureDefinitionUpdateFileSharesSouce {\\UNC SHARE PATH|\\UNC SHARE PATH}
+Set-MpPreference -SignatureDefinitionUpdateFileSharesSource {\\UNC SHARE PATH|\\UNC SHARE PATH}
 ```
 See the following for more information:
 - [Set-MpPreference -SignatureFallbackOrder](https://technet.microsoft.com/itpro/powershell/windows/defender/set-mppreference#-signaturefallbackorder)
-- [Set-MpPreference -SignatureDefinitionUpdateFileSharesSouce](https://technet.microsoft.com/itpro/powershell/windows/defender/set-mppreference#-signaturedefinitionupdatefilesharessources)
+- [Set-MpPreference -SignatureDefinitionUpdateFileSharesSource](https://technet.microsoft.com/itpro/powershell/windows/defender/set-mppreference#-signaturedefinitionupdatefilesharessources)
 - [Use PowerShell cmdlets to configure and run Windows Defender Antivirus](use-powershell-cmdlets-windows-defender-antivirus.md)
 - [Defender cmdlets](https://technet.microsoft.com/library/dn433280.aspx)
 
@@ -133,7 +133,7 @@ Use the [**Set** method of the **MSFT_MpPreference**](https://msdn.microsoft.com
 
 ```WMI
 SignatureFallbackOrder
-SignatureDefinitionUpdateFileSharesSouce
+SignatureDefinitionUpdateFileSharesSource
 ```
 
 See the following for more information: