[babylon-docs:master] Integrated: Correct note on value use and block dominance

[Paul Sandoz]

Correct note on value use and block dominance, reported by @rgiulietti

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Commit messages:
 - Correct note on value use and block dominance.

Changes: https://git.openjdk.org/babylon-docs/pull/6/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon-docs&pr=6&range=00
  Stats: 3 lines in 1 file changed: 1 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/babylon-docs/pull/6.diff
  Fetch: git fetch https://git.openjdk.org/babylon-docs.git pull/6/head:pull/6

PR: https://git.openjdk.org/babylon-docs/pull/6