diff --git a/configure/CONFIG_SITE b/configure/CONFIG_SITE
index 4bb9e1c7f..4f9b2db0c 100644
--- a/configure/CONFIG_SITE
+++ b/configure/CONFIG_SITE
@@ -23,20 +23,20 @@
 #       <operating system>-<architecture>[-<alternate compiler>]
 #
 #  Currently Supporting:
+#	aix-ppc                (HP compiler used for host builds)
+#	aix-ppc-gnu            (GNU compiler used for host builds)
+#	cygwin-x86             (cygwin compiler used for host builds)
+#	darwin-ppc
 #	hpux-parisc            (HP compiler used for host builds)
 #	hpux-parisc-gnu        (GNU compiler used for host builds)
-#	osf-alpha
+#	linux-x86              (GNU compiler used for host builds)
+#	linux-x86-borland      (Borland C++ compiler used for host builds)
 #	solaris-sparc          (sun compiler used for host builds)
 #	solaris-sparc-gnu      (GNU compiler used for host builds)
 #	solaris-x86            (sun compiler used for host builds)
 #	solaris-x86-gnu        (GNU compiler used for host builds)
-#	sun4-x86               (sun compiler used for host builds)
-#	linux-x86              (GNU compiler used for host builds)
 #	win32-x86              (MS Visual C++ compiler used for host builds)
 #	win32-x86-borland      (Borland C++ compiler used for host builds)
-#	lynxos-x86
-#	darwin-ppc
-#	linux-mpc82xx
 
 #  Debugging builds 
 #	linux-x86-debug			(GNU compiler with -g option for host builds)
@@ -52,6 +52,11 @@
 #  The cross-compiler architectures to build EPICS for
 #
 #  Currently Supporting:
+#       linux-386     (linux-x86 host)
+#       linux-486     (linux-x86 host)
+#       linux-586     (linux-x86 host)
+#       linux-686     (linux-x86 host)
+#       linux-athlon  (linux-x86 host)
 #       vxWorks-486
 #       vxWorks-68040
 #       vxWorks-68040lc
@@ -67,6 +72,9 @@
 #       RTEMS-mcp750
 #       RTEMS-psim
 #
+#  Debugging builds 
+#       vxWorks-68040-debug
+
 # Definitions of CROSS_COMPILER_TARGET_ARCHS in
 # configure/os/CONFIG_SITE.<host>.Common files will
 # override