--- a/driver-win.rst	Thu Oct 28 11:04:24 2010 +0300
+++ b/driver-win.rst	Thu Oct 28 11:07:20 2010 +0300
@@ -177,6 +177,17 @@
 
 * Driver signing.
 
+Type of signature:
+
+ * Signed by a Windows signing authority.
+ * Signed by a trusted publisher.
+ * Signed by an untrusted publisher.
+ * Signed by a publisher of unknown trust.
+ * Altered.
+ * Unsigned.
+
+  http://msdn.microsoft.com/en-us/library/ff544703.aspx
+                Type of signature and performed action.
   http://www.microsoft.com/whdc/driver/install/drvsign/best-practices.mspx
                 Code-Signing Best Practices