RFR: Clarified resolving release notes

[Jesper Wilhelmsson]

A little more info.

-------------

Commit messages:
 - Clarified resolving release notes

Changes: https://git.openjdk.org/guide/pull/166/files
  Webrev: https://webrevs.openjdk.org/?repo=guide&pr=166&range=00
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/guide/pull/166.diff
  Fetch: git fetch https://git.openjdk.org/guide.git pull/166/head:pull/166

PR: https://git.openjdk.org/guide/pull/166