Edit private info in intro

git-svn-id: https://svn.apache.org/repos/asf/incubator/taverna/site/trunk@1753416 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/content/community/lists.md b/content/community/lists.md
index b672f1e..b548d73 100644
--- a/content/community/lists.md
+++ b/content/community/lists.md
@@ -22,7 +22,7 @@
 – this allows us to notify you of any critical issues or upcoming changes and allows you to have
 a say in the future development of Taverna. Anyone using the Taverna APIs in their own code
 would be well advised to join both <em>dev@taverna</em> and <em>users@taverna</em>. 
-Use the <a href="#private">private</a> mailing list for topics such as security concerns or sensitive communications.
+The <a href="#private">private</a> mailing list is only for information that should not be made public.
 
 
 ## Public mailing lists