Update Get-AzSecurityThreatProtection.md

Author: Maddie Clayton

src/Security/Security/help/Get-AzSecurityThreatProtection.md

@@ -18,7 +18,7 @@ Get-AzSecurityThreatProtection -ResourceId <String> [-DefaultProfile <IAzureCont
 ```
 
 ## DESCRIPTION
-The "Get-AzSecurityThreatProtection" cmdlet gets the threat protecion policy of a storage account.
+The "Get-AzSecurityThreatProtection" cmdlet gets the threat protection policy of a storage account.
 To use this cmdlet, specify the *ResourceId* parameter.