--- a/cygwin.rst	Mon Jun 28 21:36:18 2010 +0300
+++ b/cygwin.rst	Fri Jul 02 10:45:36 2010 +0300
@@ -23,6 +23,12 @@
 
   set HOME=d:\home
 
+Set TMP and TEMP env vars with good path (without spaces, etc.; these vars
+already set as used defined, so you need change their values):
+
+  set TMP=c:\tmp
+  set TEMP=c:\tmp
+
 Also you need edit /etc/passwd to point to correct home path.
 
 * Users and groups.