Update readme (human)

HUMAN.md

@@ -3,7 +3,7 @@ This document describes which files are written fully by humans, which had human
 
 ## Fully Human
 The following files were written completely by humans:
-- `HUMAN.md`
+- `HUMAN.md` (except for the checkmarks in the tasklist)
 - `README.md`
 - Everything in `vendor/`. While we don't actually know if it was written by humans, certainly the AI used for this project has not touched it.
 

README.md

@@ -35,6 +35,7 @@ An AI implementing this operating system should implement features in this order
 After each feature, it should create a new Git commit and push the commit.
 The git commit should describe what is done and why certain choices were made.
 The title of the commit should always end with (AI), to indicate that it was written by an AI.
+Once a task is completed, it should be checked off.
 
 - [ ] Create directory structure
 - [ ] Create initial build system