[jdk21] RFR: 8310830: typo in the parameter name in @throws of ClassDesc::ofDescriptor

[Joe Darcy]

Doc-only typo fix.

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Commit messages:
 - Backport 4bce38c6d7792596879a6e1081140b698b899471

Changes: https://git.openjdk.org/jdk21/pull/73/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21&pr=73&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8310830
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk21/pull/73.diff
  Fetch: git fetch https://git.openjdk.org/jdk21.git pull/73/head:pull/73

PR: https://git.openjdk.org/jdk21/pull/73