Update README.md

README.md

@@ -9,10 +9,13 @@ This configuration makes it very easy to start with Piwik development or to give
 
 ### Installation
  1. Install [Vagrant](http://www.vagrantup.com) & [VirtualBox](https://www.virtualbox.org)
- 2. Clone this repository and update submodules (`git submodule init && git submodule update`)
- 3. Execute the command `vagrant up` within a `vagrant/$box` folder
- 4. That's it. It'll take some time when executing this command the first time. It'll download the Vagrant base box once and install all required packages.
- 5. Don't forget to update your local hosts file. You have to add "apache.piwik" as well as "nginx.piwik".
+ 2. Clone this repository including all submodules (`git clone --recursive https://github.com/piwik/piwik-dev-environment.git`)
+ 3. This step is optional. If you want any changes of the defaults, you can make changes in a local vagrant configuration. Have a look at `vagrantconfig.yaml` for a list of possible settings.
+
+ `cp vagrantconfig_local.yaml-dist vagrantconfig_local.yaml`
+ 4. Execute the command `vagrant up` within a `vagrant/$box` folder
+ 5. That's it. It'll take some time when executing this command the first time. It'll download the Vagrant base box once and install all required packages.
+ 6. Don't forget to update your local hosts file. You have to add "apache.piwik" as well as "nginx.piwik".
 
 ### Usage