RFR: Various clarifications [v2]

[Jesper Wilhelmsson]

> Minor updates to clarify and fix typos and other minor "bugs".

Jesper Wilhelmsson has updated the pull request incrementally with one additional commit since the last revision:

  Updated based on feedback.

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Changes:
  - all: https://git.openjdk.org/guide/pull/109/files
  - new: https://git.openjdk.org/guide/pull/109/files/3b3df540..e2136f70

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=guide&pr=109&range=01
 - incr: https://webrevs.openjdk.org/?repo=guide&pr=109&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/guide/pull/109.diff
  Fetch: git fetch https://git.openjdk.org/guide.git pull/109/head:pull/109

PR: https://git.openjdk.org/guide/pull/109