#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/ReadMe.txt b/Mac/BuildScript/resources/ReadMe.txt
index 67d4525..761cffb 100644
--- a/Mac/BuildScript/resources/ReadMe.txt
+++ b/Mac/BuildScript/resources/ReadMe.txt
@@ -1,29 +1,36 @@
 This package will install Python $FULL_VERSION for Mac OS X
-$MACOSX_DEPLOYMENT_TARGET for the following 
-architecture(s): $ARCHITECTURES.
+$MACOSX_DEPLOYMENT_TARGET for the following architecture(s):
+$ARCHITECTURES.
 
-Separate installers are available for older versions
-of Mac OS X, see the homepage, below.
+Installation requires approximately $INSTALL_SIZE MB of disk space,
+ignore the message that it will take zero bytes.
 
-Installation requires approximately $INSTALL_SIZE MB of disk
-space, ignore the message that it will take zero bytes.
+You must install onto your current boot disk, even though the
+installer does not enforce this, otherwise things will not work.
 
-You must install onto your current boot disk, even
-though the installer does not enforce this, otherwise
-things will not work.
+Python 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, IDLE, plus a set of pre-built
+extension modules that open up specific Macintosh technologies to
+Python programs.
 
-Python 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, IDLE, plus a set of pre-built extension modules
-that open up specific Macintosh technologies to Python programs.
+                    **** IMPORTANT ****
+                    
+Before using IDLE or other programs using the tkinter graphical user
+interface toolkit, visit http://www.python.org/download/mac/tcltk/
+for current information about supported and recommended versions
+of Tcl/Tk for this version of Python and Mac OS X.
 
-The installer puts the applications in "Python $VERSION" 
-in your Applications folder, and the underlying machinery in
-$PYTHONFRAMEWORKINSTALLDIR. It can optionally place
-links to the command-line tools in /usr/local as well,
-by default you have to add the "bin" directory inside
-the framework to you shell's search path.
+                    *******************
+
+The installer puts applications, an "Update Shell Profile" command,
+and an Extras folder containing demo programs and tools into the
+"Python $VERSION" subfolder of the system Applications folder,
+and puts the underlying machinery into the folder
+$PYTHONFRAMEWORKINSTALLDIR. It can
+optionally place links to the command-line tools in /usr/local/bin as
+well. Double-click on the "Update Shell Profile" command to add the
+"bin" directory inside the framework to your shell's search path.
 
 More information on Python in general can be found at
 http://www.python.org.