{"sigfile", OPT_SIGFILE, '<', "Signature file (verify operation only)"},
{"inkey", OPT_INKEY, 's', "Input private key file"},
{"peerkey", OPT_PEERKEY, 's', "Peer key file used in key derivation"},
- {"passin", OPT_PASSIN, 's', "Pass phrase source"},
+ {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
{"peerform", OPT_PEERFORM, 'E', "Peer key format - default PEM"},
{"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"},
{"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"},