Remove stability=dev

docs/guide/tutorial-advanced-app.md

@@ -18,7 +18,7 @@ If you do not have [Composer](http://getcomposer.org/), follow the instructions
 With Composer installed, you can then install the application using the following commands:
 
     composer global require "fxp/composer-asset-plugin:1.0.0-beta3"
-    composer create-project --prefer-dist --stability=dev yiisoft/yii2-app-advanced yii-application
+    composer create-project --prefer-dist yiisoft/yii2-app-advanced yii-application
 
 The first command installs the [composer asset plugin](https://github.com/francoispluchino/composer-asset-plugin/)
 which allows managing bower and npm package dependencies through Composer. You only need to run this command