[openssl/tools] 6bc656: Update README

[zengwei2000]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/tools
  Commit: 6bc656f87d8b7f169714bcd20b66e70ecf1a6681
      https://github.com/openssl/tools/commit/6bc656f87d8b7f169714bcd20b66e70ecf1a6681
  Author: zengwei2000 <102871671+zengwei2000 at users.noreply.github.com>
  Date:   2023-02-22 (Wed, 22 Feb 2023)

  Changed paths:
    M review-tools/README

  Log Message:
  -----------
  Update README

CLA: trivial
fix typo

Reviewed-by: Hugo Landau <hlandau at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/tools/pull/137)