README in rainbows-4.7.0 vs README in rainbows-5.0.0

@@ -4,22 +4,17 @@
 unicorn, but designed to handle applications that expect long
 request/response times and/or slow clients.
 
 If you're on GNU/Linux and overwhelmed by options in \Rainbows!,
 consider {yahns}[http://yahns.yhbt.net/] as it has fewer options
-and more energy-efficient during non-peak traffic.
+and more energy-efficient during non-peak traffic and may also
+be configured as a single worker process.
 
 For Rack applications not heavily bound by slow external network
 dependencies, consider unicorn instead as it simpler and easier to
 debug.
 
-If you're on a small system, or write extremely tight and reliable code
-and don't want multiple worker processes, check out
-{Zbatery}[http://zbatery.bogomip.org/], too. Zbatery can use all the
-crazy network concurrency options of \Rainbows! in a single worker
-process.
-
 == \Rainbows! is about Diversity
 
 We aim to support as many concurrency models as we can because they all
 suck; differently.
 
@@ -167,11 +162,12 @@
 == Contact
 
 All feedback (bug reports, user/development discussion, patches, pull
 requests) go to the mailing list.  Patches must be sent inline
 (git format-patch -M + git send-email).  No subscription is necessary
-to post on the mailing list.  No top posting.  Address replies +To:+
-the mailing list.
+to post on the mailing list.  No top posting.
 
 * email: mailto:[e-mail]
 * subscribe: mailto:[e-mail]
 * archives: http://bogomips.org/rainbows-public/
+  nntp://news.public-inbox.org/inbox.comp.lang.ruby.rainbows
+  nntp://news.gmane.org/gmane.comp.lang.ruby.rainbows.general