[openssl/openssl] a936d9: doc: fix "the a" typos (and other things nearby)

[James Muir]

  Branch: refs/heads/openssl-3.1
  Home:   https://github.com/openssl/openssl
  Commit: a936d94f40b0f492b59bc51b7062578f1f69f4b5
      https://github.com/openssl/openssl/commit/a936d94f40b0f492b59bc51b7062578f1f69f4b5
  Author: James Muir <james at openssl.org>
  Date:   2023-12-29 (Fri, 29 Dec 2023)

  Changed paths:
    M doc/man1/openssl-pkeyutl.pod.in
    M doc/man1/openssl-req.pod.in
    M doc/man3/BIO_f_md.pod
    M doc/man3/SSL_CTX_set_tlsext_ticket_key_cb.pod

  Log Message:
  -----------
  doc: fix "the a" typos (and other things nearby)

Reviewed-by: Neil Horman <nhorman at openssl.org>
Reviewed-by: Shane Lontis <shane.lontis at oracle.com>
(Merged from https://github.com/openssl/openssl/pull/23068)

(cherry picked from commit aa3347ba9d670a747b46974ce46f2ed9ecb38662)