diff --git a/Scripts/check-operating-system.ps1 b/Scripts/check-operating-system.ps1
index 04f1b46b..1c55d352 100755
--- a/Scripts/check-operating-system.ps1
+++ b/Scripts/check-operating-system.ps1
@@ -25,7 +25,7 @@ try {
 		$BuildNo = $OSDetails.BuildNumber
 		$Serial = $OSDetails.SerialNumber
 		$InstallDate = $OSDetails.InstallDate
-		"✅ $Name ($Arch, v$Version, serial $Serial), installed $($InstallDate.ToShortDateString())."
+		"✅ $Name ($Arch, v$Version, S/N $Serial, installed $($InstallDate.ToShortDateString()))."
 	} 
 	exit 0 # success
 } catch {