README in rev-0.1.4 vs README in rev-0.2.0

@@ -1,11 +1,11 @@
 = Rev
 
-Rev is a high performance event library for Ruby 1.9.  It uses the libev C
-library to handle support for underlying system calls.  This includes the
-epoll system call for Linux, the kqueue system call for BSDs and OS X, and the
-completion ports interface for Solaris.
+Rev is an event library for Ruby, built on the libev event library which 
+provides a cross-platform interface to high performance system calls .  This 
+includes the epoll system call for Linux, the kqueue system call for BSDs and 
+OS X, and the completion ports interface for Solaris.
 
 Rev also binds asynchronous wrappers to Ruby's core socket classes so you can
 use them in conjunction with Rev to build asynchronous event-driven 
 applications.
 
@@ -118,10 +118,10 @@
 gives you the ability to change event callbacks on the fly (provided you
 haven't overridden them in a subclass).  This is especially useful for small
 one off programs or just experimenting with the API.
 
 Any callback (methods prefixed with on_*) can be set on the fly by passing it
-a block.
+a block. (NOTE: Ruby 1.9 only)
 
 Below is an example of using this syntax.  It implements an echo server
 identical to the one above:
 
   HOST = '127.0.0.1'