RFR: 8334301: Errors in jpackage man page

[Alexey Semenyuk]

Correct jpackage man errors

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Commit messages:
 - JDK-8334301: Errors in jpackage man page

Changes: https://git.openjdk.org/jdk/pull/20969/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20969&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8334301
  Stats: 24 lines in 1 file changed: 10 ins; 10 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/20969.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20969/head:pull/20969

PR: https://git.openjdk.org/jdk/pull/20969