typo on page 384 -- heirarchy should be hierarchy

[daniel-robitaille]

Chapter 14. Page 384 in the Let’s Encrypt with Ansible section. Should be "hierarchy" instead of "heirarchy"

[geerlingguy]

Thanks for reporting this! I'll work on fixing it up in the next edition.

[geerlingguy]

Fixed, and will be on LeanPub soon!