Document `psk_list` parameter of ssl_server2 example program
@@ -222,6 +222,9 @@ int main( void )
#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
#define USAGE_PSK \
" psk=%%s default: \"\" (in hex, without 0x)\n" \
+ " psk_list=%%s default: \"\"\n" \
+ " A list of (PSK identity, PSK value) pairs in (hex format, without 0x)\n" \
+ " id1,psk1[,id2,psk2[,...]]\n" \
" psk_identity=%%s default: \"Client_identity\"\n"
#else
#define USAGE_PSK ""
