--- a/driver-win.rst	Wed Oct 27 16:52:51 2010 +0300
+++ b/driver-win.rst	Wed Oct 27 17:07:08 2010 +0300
@@ -182,7 +182,11 @@
 
 ** Tools for Signing Drivers.
 
-CertMgr Inf2Cat MakeCat MakeCert Pvk2Pfx SignTool
+'certmgr.msc' present in Windows 2000 and upper.
+
+From Windows SDK/WDK:
+
+  CertMgr Inf2Cat MakeCat MakeCert Pvk2Pfx SignTool
 
   http://msdn.microsoft.com/en-us/library/ff552958.aspx
                 Tools for Signing Drivers