diff --git a/winsup/doc/ChangeLog b/winsup/doc/ChangeLog
index a48b2f44f..887640b62 100644
--- a/winsup/doc/ChangeLog
+++ b/winsup/doc/ChangeLog
@@ -1,3 +1,8 @@
+2010-06-26  Ken Brown  <kbrown@cornell.edu>
+
+	* setup-net.sgml: Add a paragraph describing now to avoid unintentional
+	upgrades.
+
 2010-04-29  Corinna Vinschen  <corinna@vinschen.de>
 
 	* new-features.sgml (ov-new1.7.6): Add new "dos" and "inode" mount
diff --git a/winsup/doc/setup-net.sgml b/winsup/doc/setup-net.sgml
index 6c224dc77..aadafcafc 100644
--- a/winsup/doc/setup-net.sgml
+++ b/winsup/doc/setup-net.sgml
@@ -167,7 +167,8 @@ if you know the name of a package you want to install but not which
 category it is in. 
 Click on the <literal>View</literal> button and it will rotate between 
 <literal>Category</literal> (the default), <literal>Full</literal> (all 
-packages), and <literal>Partial</literal> (only packages to be upgraded).
+packages), and <literal>Partial</literal> (only packages to be
+installed or upgraded).
 If you are familiar with Unix, you will probably want to at least glance 
 through the <literal>Full</literal> listing for your favorite tools.
 </para>
@@ -188,6 +189,12 @@ to close all Cygwin windows and stop all Cygwin processes before
 <command>setup.exe</command> begins to install the upgraded package.
 </para>
 <para>
+To avoid unintentionally upgrading, use the <literal>Partial</literal>
+view to see which packages have been marked for upgrading.  If you
+don't want to upgrade a package, click on the new version number to
+toggle it until it says <literal>Keep</literal>.
+</para>
+<para>
 The final feature of the <command>setup.exe</command> chooser is for
 <literal>Previous</literal> and <literal>Experimental</literal> packages.
 By default the chooser shows only the current version of each package,