Once all signer certificates have been set CMS_verify() can be used.
-Although CMS_get0_SignerInfos() can return NULL is an error occur B<or> if
+Although CMS_get0_SignerInfos() can return NULL if an error occurs B<or> if
there are no signers this is not a problem in practice because the only
error which can occur is if the B<cms> structure is not of type signedData
due to application error.
=head1 COPYRIGHT
-Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2008-2018 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy