Add note about config file location and update screen shot

config/options_maintenance.rst

@@ -6,23 +6,33 @@
 .. image:: images/options-maintenance.png
    :width: 100 %
 
-Over the course of trying out plugins and such, the configuration INI file can become
-bloated with orphaned settings.  This section allows you to remove unused option settings
-from the configuration INI file.
-
-Settings that are found in the configuration file that do not appear on any option
-settings page will be listed. If your configuration file does not contain any unused
-option settings, then the list will be empty and the removal checkbox will be
-disabled.
-
-To remove one or more settings, first enable the removal by checking the "Remove
-selected options" box. You can then select the settings to remove by checking the
-box next to the setting. When you choose :guilabel:`Make It So!` to save your option
-settings, the selected items will be removed.
-
-.. note::
-
-   Unused option settings could come from plugins that have been uninstalled,
-   so please be careful to not remove settings that you may want to use later when
-   the plugin is reinstalled. Options belonging to plugins that are installed but
-   currently disabled will not be listed for possible removal.
+**Configuration File**
+
+   This displays the path and file name of the configuration INI file currently used by
+   Picard. This file contains all of your settings and preferences, and the format of the
+   file is consistent across operating systems. There is also a :guilabel:`Open Folder`
+   button to open the location in your system's file browser, so that you can easily make
+   a backup copy of the file or to copy the settings for use on a different computer.
+
+**Configuration File Cleanup**
+
+   Over the course of trying out plugins and such, the configuration INI file can become
+   bloated with orphaned settings.  This section allows you to remove unused option settings
+   from the configuration INI file.
+
+   Settings that are found in the configuration file that do not appear on any option
+   settings page will be listed. If your configuration file does not contain any unused
+   option settings, then the list will be empty and the removal checkbox will be
+   disabled.
+
+   To remove one or more settings, first enable the removal by checking the "Remove
+   selected options" box. You can then select the settings to remove by checking the
+   box next to the setting. When you choose :guilabel:`Make It So!` to save your option
+   settings, the selected items will be removed.
+
+   .. note::
+
+      Unused option settings could come from plugins that have been uninstalled,
+      so please be careful to not remove settings that you may want to use later when
+      the plugin is reinstalled. Options belonging to plugins that are installed but
+      currently disabled will not be listed for possible removal.