-If this plugin is enabled, then a sidebar is added to pages in the wiki.
-The content of the sidebar is simply the content of a page named
-"sidebar" (ie, create a "sidebar.mdwn").
+This plugin allows adding a sidebar to pages in the wiki.
+
+By default, and unless the `global_sidebars` setting is turned off,
+a sidebar is added to all pages in the wiki. The content of the sidebar
+is simply the content of a page named "sidebar" (ie, create a "sidebar.mdwn").