What about something like:

```
To finish the installation, follow these steps:

1. Ensure that the capsule-installer is available on the system. The capsule-installer comes from the katello-installer package and should be acquired through the means that are appropriate to your deployment. 
2. Copy <%= color("#{certs_tar}", :info) %> to the system <%= color("#{capsule_fqdn}", :info) %> 
3. Run the following commands on the capsule (possibly with the customized parameters, see <%= color("capsule-installer --help", :info) %> for more info):
```