CMS_verify() verifies a CMS SignedData structure. B<cms> is the CMS_ContentInfo
structure to verify. B<certs> is a set of certificates in which to search for
-the signer's certificate. B<store> is a trusted certficate store (used for
+the signer's certificate. B<store> is a trusted certificate store (used for
chain verification). B<indata> is the signed data if the content is not
present in B<cms> (that is it is detached). The content is written to B<out>
if it is not NULL.
operation.
CMS_get0_signers() retrieves the signer's certificate(s) from B<cms>, it must
-be called after a succeful CMS_verify() operation.
+be called after a successful CMS_verify() operation.
=head1 VERIFY PROCESS
=head1 RETURN VALUES
CMS_verify() returns 1 for a successful verification and zero if an error
-occured.
+occurred.
CMS_get0_signers() returns all signers or B<NULL> if an error occurred.