--- a/windows.rst	Wed Oct 04 17:40:29 2017 +0300
+++ b/windows.rst	Sun Oct 08 00:19:47 2017 +0300
@@ -588,10 +588,15 @@
 Well known users/groups:
 
 ``S-1-0-0``
-  Null SID. A group with no members. This is often used when a SID
+  Nobody. A group with no members. This is often used when a SID
   value is not known.
 ``S-1-1-0``
   World/Everyone. A group that includes all users.
+``S-1-2-0``
+  Local. A group that includes all users who have logged on locally.
+``S-1-2-1``
+  Console Logon. A group that includes users who are logged on to the physical
+  console.
 ``S-1-3-0``
   Creator Owner ID. A security identifier to be replaced by the
   security identifier of the user who created a new object. This