Broke up some larger paragraphs for easier reading. Made some additional sections to call out actionable work (since it seemed hidden within the paragraphs themselves).
Added some missing hyphens.
Change-Id: Icd84f16a6a6ff95e96e0423c83d7dbaedf7302bc
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/279323
Commit-Queue: Kallen Tu <kallentu@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>