The example text included a trailing dot which isn't actually allowed in a system hostname (just DNS). Remove the suggestion to include it and strip off any trailing dot so that the install can proceed. Related: https://pagure.io/freeipa/issue/9111 Signed-off-by: Rob Crittenden <rcritten@redhat.com> Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>