[code-reflection] RFR: Fix JavaDoc typos

[Paul Sandoz]

Fix JavaDoc typos.

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Commit messages:
 - Fix JavaDoc typos.

Changes: https://git.openjdk.org/babylon/pull/157/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=157&range=00
  Stats: 4 lines in 1 file changed: 0 ins; 3 del; 1 mod
  Patch: https://git.openjdk.org/babylon/pull/157.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/157/head:pull/157

PR: https://git.openjdk.org/babylon/pull/157