Update README.md

README.md

@@ -2,9 +2,9 @@
 `git clone git@git.scc.kit.edu:las/ansible.git`
 
 ## How to use ansible for software installation/computer setup
-* Add your computer to the hosts file
-* install ansible
-* run ansible-pull
+* Add your computer to the hosts file (below each *role* (word in brackets) you want to use)
+* install ansible (`dnf install ansible`)
+* run ansible-pull (`ansible-pull -U git@git.scc.kit.edu:las/ansible.git`)
 
 ### Ask for new software
 Open an issue in the GitLab issue tracker with the label: softwarerequest