tree ac3787872eaa41832c6277c4f58b77175a8a947e
parent 7aa6cb3b0a47bbc87177fbe83424f0f7b64efce4
author JOE1994 <joseph942010@gmail.com> 1593920810 -0400
committer JOE1994 <joseph942010@gmail.com> 1593920810 -0400

update comments for 'hello_world' example