Update README to include vault-syntax

README.md

@@ -20,7 +20,7 @@ Run
 ``` bash
 git clone  clone git@git.scc.kit.edu:las/ansible.git
 cd ansible
-ansible-playbook --ask-become-pass --limit $(hostname -f) site.yml
+ansible-playbook --ask-become-pass --limit $(hostname -f) --vault-id @prompt site.yml
 ```
 
   * If you only want some parts of the roles to be run, you can use the option `-t TAGNAME` to run only those tasks with the given tag.
@@ -76,4 +76,4 @@ Be aware that the development branches here are not save and the owner might for
 ## Bootstrap
 * Add your SSH-key to the host `ssh-copy-id lasXXX.las.kit.edu`
 * Do the steps described for the self-setup
-* Run `ansible-playbook -K sites.yml` probably with the option `-l lasXXX.las.kit.edu`
+* Run `ansible-playbook -K --vault-id @prompt sites.yml` probably with the option `-l lasXXX.las.kit.edu`