fix oesign digest usage typo
@@ -106,7 +106,7 @@ static const char _usage_sign[] =
"\n";
static const char _usage_digest[] =
- "Usage: %s -e ENCLAVE_IMAGE [-c CONFIG_FILE] -d DIGEST_FILE\n"
+ "Usage: %s digest -e ENCLAVE_IMAGE [-c CONFIG_FILE] -d DIGEST_FILE\n"
"\n"
"Options:\n"
" -e, --enclave-image path of an enclave image file.\n"
