backticks, spaces, commas

In general, a list of items should have a space after each comma.
While there are editorial styles that suggest commas inside quotations,
they're horrible advice when the backticks are describing specific
character for a user to enter.

one off indent filters section

singular

backticks...

word wrap long lines...

spelling: macOS

contributing: clarify closing case
contributing: link to changelog
contributing: point to git remote...
contributing: split commands from descriptions
contributing: grammar
spelling: github
grammar: comma after etc.
spelling: macOS
grammar: i.e.
alicloud: use relative link
alicloud: use backticks
alicloud: bits
alicloud: such as
grammar: comma after etc.
avoid linking periods
grammar: period
amazon-chroot: IOPS
amazon-chroot: use backticks
amazon-chroot: link to section
amazon-chroot: whether-or-not; period
amazon-ebs: period
amazon-ebs: use relative link
amazon-ebs: use backticks
amazon-ebs: comma
amazon-ebs: bold
amaz...