Doc: fix reference to deprecated methods.

Reviewed-by: Paul Yang <yang.yang@baishancloud.com>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/7705)

doc/man3/SSL_CTX_set_tlsext_ticket_key_cb.pod

@@ -38,7 +38,7 @@ ticket information or it starts a full TLS handshake to create a new session
 ticket.
 
 Before the callback function is started I<ctx> and I<hctx> have been
-initialised with EVP_CIPHER_CTX_init and HMAC_CTX_init respectively.
+initialised with L<EVP_CIPHER_CTX_reset(3)> and L<HMAC_CTX_reset(3)> respectively.
 
 For new sessions tickets, when the client doesn't present a session ticket, or
 an attempted retrieval of the ticket failed, or a renew option was indicated,