Update readme

README.md

@@ -11,10 +11,10 @@ ember install ember-cli-autoprefixer
 
 ## Options
 You can configure what browsers to target and other options by specifying them in your
-`Brocfile.js` or `ember-cli-build.js`. An example:
+`ember-cli-build.js` (or `Brocfile.js`). An example:
 
 ```js
-var app = new EmberApp({
+var app = new EmberApp(defaults, {
   autoprefixer: {
     browsers: ['last 2 ios version'],
     cascade: false
@@ -27,10 +27,10 @@ The default value for `browsers` are `['> 1%', 'last 2 versions', 'Firefox ESR',
 
 You can disable autoprefixer by passing in `enabled: false`.
 
-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`.
+Other options 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).
+You can read more about this setting and others [over on the autoprefixer page](https://github.com/postcss/autoprefixer#options).
 
 ## References
-- [Autoprefixer](https://github.com/ai/autoprefixer)
+- [Autoprefixer](https://github.com/postcss/autoprefixer)
 - [broccoli-autoprefixer](https://github.com/sindresorhus/broccoli-autoprefixer)