For the "Step 5" comment, I changed the version number in step 9 to include an asterisk, since we can't know exactly what version will show up and an asterisk should match whatever is there:

# cp /opt/rh/sclo-vagrant1/root/usr/share/vagrant/gems/doc/vagrant-libvirt-*/polkit/10-vagrant-libvirt.rules /etc/polkit-1/rules.d

For Step 12, I had them run the systemctl steps first.

Both fixes will be in the version of the book published tomorrow.