Add pointer to Misc/HPUX-NOTES.
diff --git a/README b/README
index 6975d6c..627bc31 100644
--- a/README
+++ b/README
@@ -215,6 +215,8 @@
 	(The optimizer bug reported at this place in previous releases
 	has been worked around by a minimal code change.)
 
+HP-UX:	Please read the file Misc/HPUX-NOTES.
+
 Minix:  When using ack, use "CC=cc AR=aal RANLIB=: ./configure"!
 
 SCO:	The following only apply to SCO 3; Python builds out of the box