cmp_ctx.c: fix wrong comments on OSSL_CMP_CTX_set1_{recipient,issuer}

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: David von Oheimb <david.von.oheimb@siemens.com>
(Merged from #20257)

(cherry picked from commit 56d5c55)

crypto/cmp/cmp_ctx.c

@@ -669,13 +669,13 @@ int OSSL_CMP_CTX_set1_##FIELD(OSSL_CMP_CTX *ctx, TYPE *val) \
  */
 DEFINE_OSSL_CMP_CTX_set1_up_ref(srvCert, X509)
 
-/* Set the X509 name of the recipient. Set in the PKIHeader */
+/* Set the X509 name of the recipient to be placed in the PKIHeader */
 DEFINE_OSSL_CMP_CTX_set1(recipient, X509_NAME)
 
 /* Store the X509 name of the expected sender in the PKIHeader of responses */
 DEFINE_OSSL_CMP_CTX_set1(expected_sender, X509_NAME)
 
-/* Set the X509 name of the issuer. Set in the PKIHeader */
+/* Set the X509 name of the issuer to be placed in the certTemplate */
 DEFINE_OSSL_CMP_CTX_set1(issuer, X509_NAME)
 
 /*