update docs of ssl_client2 and improve code format
Signed-off-by: Pengyu Lv <pengyu.lv@arm.com>
diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index d64675d..b124065 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -371,7 +371,8 @@
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
#define USAGE_TLS1_3_KEY_EXCHANGE_MODES \
" tls13_kex_modes=%%s default: all\n" \
- " options: psk, psk_ephemeral, ephemeral, ephemeral_all, psk_all, all\n"
+ " options: psk, psk_ephemeral, psk_all, ephemeral,\n" \
+ " ephemeral_all, all, psk_or_ephemeral\n"
#else
#define USAGE_TLS1_3_KEY_EXCHANGE_MODES ""
#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */