diff --git a/guide/new/xml/installing.xml b/guide/new/xml/installing.xml
index 03bdf9e0..3a60c555 100644
--- a/guide/new/xml/installing.xml
+++ b/guide/new/xml/installing.xml
@@ -186,14 +186,14 @@
versions of MacPorts. But only one copy of MacPorts may use the default
MacPorts Tcl library path /Library/Tcl, so for a
second installation use the --with-tclpackage switch
- set to any newly created (empty) directory. Also, the standard MacPorts
- binary path must not be present during the installation of the second
- instance. To install a second instance of MacPorts, follow these
- steps.
+ set to any newly created (empty) directory, say
+ /Library/Tcl/macports-new. Also, the standard MacPorts binary path must
+ not be present during the installation of the second instance. To
+ install a second instance of MacPorts, follow these steps.
%% export PATH=/bin:/sbin:/usr/bin:/usr/sbin
%% cd ~/MacPorts-1.x.x/
-%% ./configure --prefix=NEW_PREFIX --with-tcl-package=/Library/Tcl/macports-new
+%% ./configure --prefix=NEW_PREFIX --with-tcl-package=NEW_TCLPACKAGE
%% make
%% sudo make install