Index: INSTALL.txt
===================================================================
RCS file: /cvs/drupal/drupal/INSTALL.txt,v
retrieving revision 1.76
diff -u -p -r1.76 INSTALL.txt
--- INSTALL.txt	14 Sep 2009 07:33:55 -0000	1.76
+++ INSTALL.txt	13 Jan 2010 11:31:45 -0000
@@ -331,6 +331,18 @@ first configuration it finds:
   sites/example.com/settings.php
   sites/default/settings.php
 
+For sites that installed in subdirectories, it is likely you will need to create
+a symlink to that directory name from the root level of your Drupal 
+installation. For a site configured at sites/example.com.site3/settings.php
+for example, from within the root directory of your Drupal installation you
+would create the symlink:
+ 
+  ln -s . site3
+
+Note this symlink is created as just "site3" (not example.com.site3) and links
+to its own parent directory, the root directory of the Drupal installation;
+the symlink is *not* to the sites/example.com.site3 directory.
+
 If you are installing on a non-standard port, the port number is treated as the
 deepest subdomain. For example: http://www.example.com:8080/ could be loaded
 from sites/8080.www.example.com/. The port number will be removed according to