Update instructions according to Dave Abrahams
instructions.
diff --git a/Doc/inst/inst.tex b/Doc/inst/inst.tex
index 6002ad2..4961a1a 100644
--- a/Doc/inst/inst.tex
+++ b/Doc/inst/inst.tex
@@ -1030,6 +1030,9 @@
 
 \subsubsection{GNU C / Cygwin / MinGW}
 
+These instructions only apply if you're using a version of Python prior 
+to 2.4.1 with a MinGW prior to 3.0.0 (with binutils-2.13.90-20030111-1).
+
 This section describes the necessary steps to use Distutils with the
 GNU C/\Cpp{} compilers in their Cygwin and MinGW
 distributions.\footnote{Check