Updated wording of description for the theme setting

public_html/docs/english/config.html

@@ -559,7 +559,7 @@ <h3><a name="theme_theme">Theme: Theme</a></h3>
 <tr>
   <td valign="top"><a name="desc_theme">theme</a></td>
   <td valign="top">Denim</td>
-  <td valign="top">Default theme to use on the site</td></tr>
+  <td valign="top">Default theme to use on the site. Changing this setting will affect all new users and anonymous users. Existing users will have to update the theme setting on the "My Account" user page and the Layout tab if they want to change themes.</td></tr>
 <tr>
   <td valign="top"><a name="desc_doctype">doctype</a></td>
   <td valign="top">HTML 4.01 Strict</td>