Wording
Minor typo
Suggested changes from review
Wording
Reorder
Wording
Merge branch 'master' into internal-review

* master:
  Wording
  Reorder
  Wording
  Suggested changes from review
  Minor typo
  Wording

Conflicts:
	source/navigation/index.html.erb.md
	source/navigation/structure.html.erb.md
Merge branch 'internal-review' of github.com:w3c/wai-tutorials into internal-review

# By Kevin White
# Via Kevin White
* 'internal-review' of github.com:w3c/wai-tutorials:
  Suggested changes from review