diff --git a/README.md b/README.md
index 95f5522..0c17f19 100644
--- a/README.md
+++ b/README.md
@@ -99,6 +99,8 @@ In linux you can open terminal, navigate to your programming directory, then
 * MY_CONFIG_SERVER=192.168.1.1 // address of external JSON-config http://192.168.1.1/de-ad-be-ef-fe-00.config.json
 * WATCH_DOG_TICKER_DISABLE=1 //disable wdt feature
 * USE_1W_PIN=49 // use direct connection to 1W devices, no I2C bridge DS2482-100
+* SD_CARD_INSERTED=1 // enable sd-card support and fix lan starting
+* SERIAL_BAUD=115200 // set baud rate for console on Serial0
 
-export PLATFORMIO_BUILD_FLAGS="-DMY_CONFIG_SERVER=192.168.1.1 -DWATCH_DOG_TICKER_DISABLE=1 -DUSE_1W_PIN=49"
+export PLATFORMIO_BUILD_FLAGS="-DMY_CONFIG_SERVER=192.168.1.1 -DWATCH_DOG_TICKER_DISABLE=1 -DUSE_1W_PIN=49 -DSERIAL_BAUD=115200 -DSD_CARD_INSERTED=1"