couple of typos

Dependencies

• [2] H5UZI3YN editor documentation
• [3] N2NUGNN4 include a brief reference enabling many useful apps

Change contents

• replacement in reference.md at line 191
  [2.245]→[2.245:322](∅→∅)
  − returns an object that can be used to render an interactive editor widgets
  [2.245]

  [2.322]
  + returns an object that can be used to render an interactive editor widget
• replacement in reference.md at line 199
  [2.641]→[2.641:714](∅→∅)
  − * `edit.draw(state)` -- Call this from `App.draw` to display the current
  [2.641]

  [2.714]
  + * `edit.draw(state)` -- call this from `App.draw` to display the current
• replacement in reference.md at line 203
  [2.824]→[2.824:936](∅→∅)
  − * `edit.update(state, dt)` -- call this from `App.update` to periodically auto

  − saves editor contents to disk.
  [2.824]

  [2.936]
  + * `edit.update(state, dt)` -- call this from `App.update` to periodically

  + auto-save editor contents to disk.