fixup notes around enabling & disabling

source/customizations.rst

@@ -9,15 +9,21 @@ Customizations
 
 .. _disabling_applications:
 
-Disabling Applications
-----------------------
+Enabling and Disabling Applications
+-----------------------------------
 
-OnDemand is comprised of a few components. Each of which you can disable or limit
-access by simply changing the file permissions of the application.
+OnDemand is comprised of a few components. Each one you can disable or limit
+access by simply changing the file permissions of the application.  The application
+will only be available if regular users can read the files. When they cannot
+read the files, the application is disabled. When they can, it is enabled.
 
 All the applications OnDemand installs are located in ``/var/www/ood/apps/sys``.
-So, for example, if you wished to disable the file browser you would simply
-change its directory to 700 so it's unreadable by regular users.
+
+Disabling Applications
+......................
+
+So, for example, if you wished to disable the file browser for all users
+you would simply change its directory to 700 so it's unreadable by regular users.
 
 When this directory is unreadable by regular users, the functionality
 it provides will be disabled.
@@ -26,6 +32,9 @@ it provides will be disabled.
 
   sudo chmod 700 /var/www/ood/apps/sys/files
 
+Enabling Applications for a limited number of users
+...................................................
+
 Alternatively, if you wished to limit access you can do so through group
 permissions. For example, if you wanted to limit access to the file browser
 to only members in the Unix group ``staff``, you would simply apply the
@@ -37,6 +46,22 @@ directory while members of the ``staff`` Unix group can.
   sudo chmod 750 /var/www/ood/apps/sys/files
   sudo chown root:staff /var/www/ood/apps/sys/files
 
+This ensures:
+
+  * The application is readable and executable by the staff group.
+  * All other users not in staff group will not see or access it.
+
+.. _enabling_applications:
+
+Enabling Applications 
+.....................
+
+Conversely, if the directory is already ``700`` just reverse the process to
+enable the application. Set the directory to ``755`` to *enable* it for all users.
+
+.. code-block:: sh
+
+  sudo chmod 755 /var/www/ood/apps/sys/projects
 
 .. _configure_announcements:
 

source/release-notes/v4.0-release-notes.rst

@@ -331,8 +331,8 @@ it's not feature rich enough to replace the Job Composer in this release.
 
 However, you may still wish to enable this for staff members or friendly users.
 
-To enable the Project Manager, simply follow the instructions in :ref:`disabling_applications`
-to enable this application.
+To enable the Project Manager, refer to the instructions in the
+:ref:`enabling_applications` section.
 
 Upgrade Instructions
 --------------------