Fix typo in Appendix N: "additionally"
Created by: pterocles
https://github.com/Anon-Planet/thgtoa/blob/7903203f81f9f9416028c00c0d932ca24b93d6c9/guide.md#L10400
Fixes #156 (closed)
Created by: pterocles
https://github.com/Anon-Planet/thgtoa/blob/7903203f81f9f9416028c00c0d932ca24b93d6c9/guide.md#L10400
Fixes #156 (closed)