diff --git a/README.md b/README.md
index 825955c4095de715506521d186010265c32f5e23..238e5c12a2d9a3d534f8e56fd3755ea870f6bedd 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,8 @@ To deploy this role to a managed host, the following software must be installed
 * Python3
 * SSHd
 
+In order to create a bootable ISO image, you have to provide a RHEL ISO image in the role's root directory and set the correct version in `vars/main.yml`.
+
 ## Quick start
 
 ```
@@ -61,14 +63,6 @@ You can then run only certain tagged tasks by using the `--tags` option:
 
 For more help with ansible-playbook, use the `--help` flag.
 
-## Testing the role
-
-Tests have been implemented using the Molecule framework. The details on using the test suite are described below `molecule/`.
-
-## Variables
-
-Many variables have been "hidden" in encrypted Ansible Vaults. For security reasons, these Vaults are maintained in a separate private internal repository of SLUB's Git. However, in order to better understand the data within the vaults, you can find `\*.vault.example` files below the `vars/` directory.
-
 ## git configuration
 
 Just run the `setup_gitconfig.sh` script that comes with the repo to correctly setup all necessary local Git configurations.