[babylon-docs:master] RFR: Minor cleanup and nitpicks

[David Alayachew]

This pull request just cleans up some typos and nitpicks here and there.

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Commit messages:
 - Minor cleanup and nitpicks

Changes: https://git.openjdk.org/babylon-docs/pull/2/files
 Webrev: https://webrevs.openjdk.org/?repo=babylon-docs&pr=2&range=00
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/babylon-docs/pull/2.diff
  Fetch: git fetch https://git.openjdk.org/babylon-docs.git pull/2/head:pull/2

PR: https://git.openjdk.org/babylon-docs/pull/2