diff --git a/windows/deployment/upgrade/setupdiag.md b/windows/deployment/upgrade/setupdiag.md
index bea5439367..bca001f87a 100644
--- a/windows/deployment/upgrade/setupdiag.md
+++ b/windows/deployment/upgrade/setupdiag.md
@@ -48,7 +48,7 @@ When run by Windows Setup, the following [parameters](#parameters) are used:
 - /Output:%windir%\logs\SetupDiag\SetupDiagResults.xml
 - /RegPath:HKEY_LOCAL_MACHINE\SYSTEM\Setup\SetupDiag\Results
 
-The resulting SetupDiag analysis can be found at **%WinDir%\Logs\SetupDiag\SetupDiagResults.xml** and in the registry under **HKLM\Setup\SetupDiag\Results**.
+The resulting SetupDiag analysis can be found at **%WinDir%\Logs\SetupDiag\SetupDiagResults.xml** and in the registry under **HKLM\SYSTEM\Setup\SetupDiag\Results**.
 
 If the upgrade process proceeds normally, the **Sources** directory including **setupdiag.exe** is moved under **%SystemDrive%\Windows.Old** for cleanup. If the **Windows.old** directory is deleted later, **setupdiag.exe** will also be removed.