am 5fe696f: AI 147814: tweaks to the hello world tutorial.

Merge commit '5fe696f7b0ffe3b40d75026b16983246ec4cda4c' into donut

* commit '5fe696f7b0ffe3b40d75026b16983246ec4cda4c':
  AI 147814: tweaks to the hello world tutorial.