diff --git a/config/CONFIG_SITE b/config/CONFIG_SITE
index e35cb5063..eb4f2e338 100644
--- a/config/CONFIG_SITE
+++ b/config/CONFIG_SITE
@@ -40,23 +40,33 @@ endif
 #
 CROSS_COMPILER_TARGET_ARCHS=mv167
 
+
 #  If only a subset of the host architectures perform
 #  the build for the CROSS_COMPILER_TARGET_ARCHS 
 #  uncomment the following line and specify them.
 #
 #CROSS_COMPILER_HOST_ARCHS=sun4
 
+
+
+# The definitions VX_DIR, VX_GNU, GNU_DIR and GNU_LIB
+# are used for the Vx build only. These defintions 
+# can be overridden for specific host architectures
+# by creating a CONFIG_SITE.Vx.68k.<host_arch> file
+# with the override definitions.
+
 #  VxWorks directory
 #VX_DIR=$(VW)
 #VX_DIR=/usr/local/vw/vxV51.mm
 #VX_DIR=/usr/local/vw/vxV52/vw
+#VX_DIR=c:/Tornado/target
 VX_DIR=/usr/local/vw/vxV52p1/vw
 
-#  Gnu directory for gcc
+#  Gnu directory for gcc crosscompiler
 #VX_GNU = $(VX_GNU)
 VX_GNU = $(VX_DIR)/../vxgccV2.2.3.1
 
-#  Gnu directory for g++
+#  Gnu directory for g++ crosscompiler
 #GNU_DIR = $(LOCAL_GNU)
 GNU_DIR = /usr/local/hideos/gnu_install-2.7.2
 GNU_BIN = $(GNU_DIR)/bin