diff --git a/docs/how-it-works.md b/docs/how-it-works.md
index 5cc07d80..53a8740c 100644
--- a/docs/how-it-works.md
+++ b/docs/how-it-works.md
@@ -155,8 +155,21 @@ The base directories for Browser Sync are `.tmp/serve` and `src` with a priority
 
 As the `bower_components` folder is not located in any of the base paths, a special routes is added for this folder to be addressed by `/bower_components`.
 
+The default Browser Sync port is `3000`, if you ever need to change it, head over to the [gulp/server.js](https://github.com/Swiip/generator-gulp-angular/blob/master/app/templates/gulp/_server.js#L42) file and add the `port` attribute to the *server* variable.
+Example below : 
+```javascript
+browserSync.instance = browserSync.init({
+    startPath: '/',
+    server: server,
+    browser: browser,
+    port: 4000 // Add this line to change the default port
+  });
+```
+
 Last configuration, the `browser` option is used to open the default browser to the root page.
 
+Head over to [Browser Sync list of options](http://www.browsersync.io/docs/options/) for the full list of available configurations for BrowserSync.
+
 ### Proxy
 
 Browser Sync is powered by an express server. The API allows us to inject any Express middleware. Behind comments, an example of use of [http-proxy-middleware](https://github.com/chimurai/http-proxy-middleware) is prepared.