Improved plugin description.

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@1590 b35dd754-fafc-0310-a699-88a17e54d16e

src/i18n/messenger_i18n_en.properties

@@ -1476,7 +1476,9 @@ user.tabs.delete_user=Delete User
 # Plugins Admin Page
 
 plugin.admin.title=Plugins
-plugin.admin.info=Below is a list of plugins in the system.
+plugin.admin.info=Plugins add new functionality to the server. The list of plugins currently \
+        installed is below. To download new plugins, please visit the \
+        <a href="http://www.jivesoftware.org/messenger/plugins.jsp" target="_blank">plugin download</a> page.
 plugin.admin.deleted_success=Plugin deleted successfully.
 plugin.admin.deleted_failure=Unable to delete plugin.
 plugin.admin.refresh_success=Plugin was successfully refreshed.