doc: misc cleanups and additions for RDoc

This is also our website, so we need to document the new
Cool.io-based concurrency options for users and point
existing Rev* users to it.

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/rainbows/rev.rb b/lib/rainbows/rev.rb
index cb4701b..1e425fe 100644
--- a/lib/rainbows/rev.rb
+++ b/lib/rainbows/rev.rb
@@ -8,6 +8,8 @@ rescue LoadError
 end
 require 'rev' if defined?(Coolio)
 
+# Coolio is the new version of this, use that instead.
+#
 # Implements a basic single-threaded event model with
 # {Rev}[http://rev.rubyforge.org/].  It is capable of handling
 # thousands of simultaneous client connections, but with only a