Updated readme

README.md

@@ -4,16 +4,18 @@ Node bindings to libsass
 
 *work in progress*
 
-## Usage
+## Install
+
+    node-waf configure && node-waf build
 
-    node-gyp configure && node-gyp build
+## Usage
 
     var sass = require('./sass');
-    sass.render('scss string');
+    sass.render('body{background:blue; a{color:black;}}');
 
 ## TODO
 
-* fix build script
+* error handling
 * express middleware
 * file context
 * folder context