--- a/windows.rst	Tue Feb 23 21:42:13 2010 +0200
+++ b/windows.rst	Tue Feb 23 21:45:48 2010 +0200
@@ -83,4 +83,10 @@
 
 * Map dir to disk.
 
-  cmd> subst [disk: [disk2:]path]
+To create:
+
+  cmd> subst [to-disk: [from-disk:]path]
+
+To remove:
+
+  cmd> subst disk: /d