diff --git a/core/lib/Foswiki.spec b/core/lib/Foswiki.spec
index f56dae989f..beb2720d9c 100644
--- a/core/lib/Foswiki.spec
+++ b/core/lib/Foswiki.spec
@@ -1278,7 +1278,7 @@ $Foswiki::cfg{PluginsOrder} = 'TWikiCompatibilityPlugin,SpreadSheetPlugin';
# **STRING 80 EXPERT**
# Extensions Repositories Search List
# Foswiki extension repositories are just Foswiki webs that are organised in the
-# same way as the Plugins web on Foswiki.org. The 'Find more extensions' link
+# same way as the Extensions web on Foswiki.org. The 'Find more extensions' link
# above searches these repositories for installable extensions. To set up an
# extensions repository:
#
-# twiki.org=(http://twiki.org/cgi-bin/view/Plugins/,http://twiki.org/p/pub/Plugins/);
-# foswiki.org=(http://foswiki.org/Extensions/,http://foswiki.org/pub/Extensions/);
+# twiki.org=(http://twiki.org/cgi-bin/view/Plugins/,http://twiki.org/p/pub/Plugins/);foswiki.org=(http://foswiki.org/Extensions/,http://foswiki.org/pub/Extensions/);
+# For Extensions with the same name in more than one repository, the last matching repository in the list will be chosen, so Foswiki.org should always be last in the list for maximum compatibility.
$Foswiki::cfg{ExtensionsRepositories} = 'Foswiki.org=(http://foswiki.org/Extensions/,http://foswiki.org/pub/Extensions/)';
1;