Update README

README.md

@@ -12,24 +12,24 @@ npm install ember-cli-autoprefixer --save-dev
 ```
 
 ## Options
-You can configure what browsers to target by specifying them in your
+You can configure what browsers to target and other options by specifying them in your
 `Brocfile.js`. An example:
 
 ```js
 var app = new EmberApp({
   autoprefixer: {
-    browsers: ['last 2 ios version']
+    browsers: ['last 2 ios version'],
+    cascade: false
   }
 });
 ```
 
-This would prefix styles as required by the two latest version of ios.
-
-Other options, such as [visual cascade](https://github.com/ai/autoprefixer#visual-cascade) would also go here along with `browsers`.
-
+This would prefix styles as required by the two latest version of ios, and disable the cascade (see below).
 The default value for `browsers` are `['> 1%', 'last 2 versions', 'Firefox ESR', 'Opera 12.1']`.
 
-You can read more about this setting [over on the autoprefixer page](https://github.com/ai/autoprefixer#browsers).
+Other options, such as [cascade](https://github.com/ai/autoprefixer#visual-cascade) and [sourcemap](https://github.com/sindresorhus/broccoli-autoprefixer#sourcemap) would also go here along with `browsers`.
+
+You can read more about this setting and others [over on the autoprefixer page](https://github.com/ai/autoprefixer#browsers) and/or the [page for broccoli-autoprefixer](https://github.com/sindresorhus/broccoli-autoprefixer#options).
 
 ## References
 - [Autoprefixer](https://github.com/ai/autoprefixer)