Miscellaneous edits

[jaybee84]

Purpose

addressing miscellaneous issues in edits closes #155

Directions for reviewers

Which areas should receive a particularly close look?

Is there anything that you want to discuss further?

Is the pull request ready for review?

Manuscript checklist

Unless otherwise noted above, this PR will be considered ready for review when all four items have been checked.

• [ ] All changes to text follow "one sentence per line" [Manubot instructions]
• [ ] All citations follow the Manubot citation instructions
• [ ] All changes or additions to tables follow the Manubot table instructions
• [ ] All figures follow the Manubot figure instructions
• [ ] All terms that need to be added to glossary have been added to #50
• [ ] There are no new spelling errors identified by the Manubot spellchecker

[AppVeyorBot]

AppVeyor build 1.0.395 for commit 9e92a31680c179b88a3743026dfae3f7e2d014a9 is now complete.

Found 1 potential spelling error(s). Preview:

content/04.model-complexity.md:11:TODO...

The rendered manuscript from this build is temporarily available for download at:

• manuscript-1.0.395-9e92a31.html
  • manuscript-1.0.395-9e92a31.pdf
  • spelling-errors-1.0.395-9e92a31.txt
  • spelling-error-locations-1.0.395-9e92a31.txt

[AppVeyorBot]

AppVeyor build 1.0.397 for commit f1d7af185eef8a7445c6615be397a2b7d79e9a2d is now complete.

Found 0 potential spelling error(s). Preview:

...

The rendered manuscript from this build is temporarily available for download at:

• manuscript-1.0.397-f1d7af1.html
  • manuscript-1.0.397-f1d7af1.pdf
  • spelling-errors-1.0.397-f1d7af1.txt
  • spelling-error-locations-1.0.397-f1d7af1.txt