diff --git a/sites/README.txt b/sites/README.txt
new file mode 100644
index 0000000..6166eac
--- /dev/null
+++ b/sites/README.txt
@@ -0,0 +1,6 @@
+
+This directory can be used for a multi-site setup. Multi-site allows you to
+share a single Drupal installation (including core code, contributed and custom
+modules, and themes) among several sites. Keeping contributed and custom
+modules and themes in the sites directory will aid in upgrading Drupal core
+files. For more information see core/INSTALL.txt.
diff --git a/sites/all/README.txt b/sites/all/README.txt
index c897088..0999964 100644
--- a/sites/all/README.txt
+++ b/sites/all/README.txt
@@ -1,7 +1,4 @@
 
-This directory should be used to place downloaded and custom modules
-and themes which are common to all sites. Keeping contributed and
-custom modules and themes in the sites directory will aid in upgrading
-Drupal core files. Place contributed and custom modules and themes in
-the sites/all/modules and sites/all/themes directories respectively.
-
+This directory should be used to place downloaded and custom modules and themes
+that are common to all sites. Place contributed and custom modules and themes
+in the sites/all/modules and sites/all/themes directories respectively.
diff --git a/sites/all/modules/README.txt b/sites/all/modules/README.txt
index f4e35b5..85b8da4 100644
--- a/sites/all/modules/README.txt
+++ b/sites/all/modules/README.txt
@@ -1,4 +1,4 @@
 
-This directory should be used to place downloaded and custom modules
-which are common to all sites. This will allow you to more easily
-update Drupal core files.
+This directory should be used to place downloaded and custom modules that are
+common to all sites. This will allow you to more easily update Drupal core
+files. It is safe to organize modules into sub-directories.
diff --git a/sites/all/themes/README.txt b/sites/all/themes/README.txt
index e942521..99aaf0b 100644
--- a/sites/all/themes/README.txt
+++ b/sites/all/themes/README.txt
@@ -1,4 +1,4 @@
 
-This directory should be used to place downloaded and custom themes
-which are common to all sites. This will allow you to more easily
-update Drupal core files.
+This directory should be used to place downloaded and custom themes that are
+common to all sites. This will allow you to more easily update Drupal core
+files. It is safe to organize themes into sub-directories.