Wrap at 80 columns
Fix up some verbiage that didn't jive quite right.
Add a word that was missing
Fix a verb tense mismatch
Add a missing comma

We have three or more terms with a single conjunction. According to Strunk and
White, we need a comma.
Add a missing 'the'

We're serving the website. There can be only one.
Make the text clearer for the layout option
Be explicit about what we require when migrating systems

We require access to the database from the old system and we're generating posts
for Jekyll.
Use 'newer' instead of 'future'

When talking about versions of Drupal greater than 6.1, use the word newer to
indicate that those versions have already been released. The word future implies
that those versions haven't been released yet.
Remove the word 'also' when describing Typo migrations.

The use of the 'also' is out of place here. We're only talking about one thing.
Fix the link to the Homebrew wiki
Tell people to update the site not the wiki.

We want to kill the wiki with fire.
Use 'from' instead of 'at'
Use 'the' instead of 'a'
Don't end an independent thought with a preposition.
Merge pull request #989 from mojombo/docs-proofreading

Proofread and fix up the documentation