update composer-asset-plugin

README.md

@@ -67,7 +67,7 @@ at [getcomposer.org](http://getcomposer.org/doc/00-intro.md#installation-nix).
 You can then install this project template using the following command:
 
 ~~~
-php composer.phar global require "fxp/composer-asset-plugin:~1.0.0"
+php composer.phar global require "fxp/composer-asset-plugin:~1.0.3"
 php composer.phar create-project --prefer-dist --stability=dev yiisoft/yii2-app-basic basic
 ~~~