=item B<-content> I<filename>
-This specifies a file containing the detached content, this is only
-useful with the B<-verify> command. This is only usable if the CMS
+This specifies a file containing the detached content for operations taking
+S/MIME input, such as the B<-verify> command. This is only usable if the CMS
structure is using the detached signature form where the content is
not included. This option will override any content if the input format
is S/MIME and it uses the multipart/signed MIME content type.