#10907: Warn OS X 10.6 IDLE users to use ActiveState Tcl/Tk 8.5,
        rather than the currently problematic Apple-supplied one,
        when running with the 64-/32-bit installer variant.
diff --git a/Mac/BuildScript/resources/Welcome.rtf b/Mac/BuildScript/resources/Welcome.rtf
index ed4643b..d209b10 100644
--- a/Mac/BuildScript/resources/Welcome.rtf
+++ b/Mac/BuildScript/resources/Welcome.rtf
@@ -1,19 +1,35 @@
-{\rtf1\ansi\ansicpg1252\cocoartf949\cocoasubrtf430
+{\rtf1\ansi\ansicpg1252\cocoartf1038\cocoasubrtf350
 {\fonttbl\f0\fswiss\fcharset0 Helvetica;}
 {\colortbl;\red255\green255\blue255;}
-\paperw11900\paperh16840\margl1440\margr1440\vieww9920\viewh10660\viewkind0
+\paperw11904\paperh16836\margl1440\margr1440\vieww9640\viewh10620\viewkind0
 \pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\ql\qnatural
 
 \f0\fs24 \cf0 This package will install 
-\b MacPython $FULL_VERSION
+\b Python $FULL_VERSION
 \b0  for 
 \b Mac OS X $MACOSX_DEPLOYMENT_TARGET
 \b0 .\
 \
-MacPython consists of the Python programming language interpreter, plus a set of programs to allow easy access to it for Mac users including an integrated development environment \b IDLE\b0  plus a set of pre-built extension modules that open up specific Macintosh technologies to Python programs.\
+
+\b Python for Mac OS X
+\b0  consists of the Python programming language interpreter, plus a set of programs to allow easy access to it for Mac OS X users including an integrated development environment 
+\b IDLE
+\b0  and a set of pre-built extension modules that open up specific Macintosh technologies to Python programs.\
 \
-See the ReadMe file for more information.\
+See the ReadMe file and the Python documentation for more information.\
 \
 
 \b NOTE: 
-\b0 This package will by default not update your shell profile and will also not install files in /usr/local.  Double-click \b Update Shell Profile\b0  at any time to make $FULL_VERSION the default Python.}
+\b0 This package will by default not update your shell profile and will also not install files in /usr/local.  Double-click 
+\b Update Shell Profile
+\b0  at any time to make $FULL_VERSION the default Python.\
+\
+
+\b IMPORTANT:
+\b0  
+\b IDLE
+\b0  and other programs using the 
+\b tkinter
+\b0  graphical user interface toolkit require specific versions of the 
+\b Tcl/Tk
+\b0  platform independent windowing toolkit.  Visit {\field{\*\fldinst{HYPERLINK "http://www.python.org/download/mac/tcltk/"}}{\fldrslt http://www.python.org/download/mac/tcltk/}} for current information on supported and recommended versions of Tcl/Tk for this version of Python and Mac OS X.}
\ No newline at end of file