update readme

README.textile

@@ -2,8 +2,8 @@
 your own computer.  This Clojure script is a wrapper around the Apache 
 commons-client Java library. 
 
-h2. Usage 
-
+h3. Usage 
+@
 ; Prints the HTML of the clojure.org website
 (let [clj-ws (client "http://www.clojure.org")
       home  (method "/")] 
@@ -29,7 +29,7 @@ h2. Usage
       home  (method "/")]
   (send-method clj-ws home 
     (println (.getStatusCode home))))
-
+@
 
 I've only implemented some basic functionality to make the commons-client
 more "in line" with functional programming.  There are lots of things that
@@ -42,7 +42,7 @@ an implementation of org.apache.commons.httpclient.HttpMethodBase.  Please
 see the commons-client API docs for reference.
 
 
-h2. Requirements 
+h3. Requirements 
 
 - clojure-contrib
 - Apache commons-client 3.1 and its dependencies (only tested with the 3.1 version)