diff --git a/README.md b/README.md
index 5663221..687a874 100644
--- a/README.md
+++ b/README.md
@@ -42,8 +42,8 @@ This battery uses RJ45 cable instead of RJ10. Schematics is the same only plug d
   * Install arduino IDE and ESP8266 libraries as [described here](https://averagemaker.com/2018/03/wemos-d1-mini-setup.html)
   * Open [PylontechMonitoring.ino](PylontechMonitoring.ino) in arduino IDE
   * Make sure to copy content of [libraries subdirectory](libraries) to [libraries of your Arduino IDE](https://forum.arduino.cc/index.php?topic=88380.0).
-  * Specify your WiFi login and password at the top of the file (line 13-14)
-  * If you want MQTT support, uncomment line 17 and fill details in lines 21-24
+  * Specify your WiFi login and password at the top of the file (line 11-12)
+  * If you want MQTT support, uncomment line 15 and fill details in lines 20-24
   * Upload project to your device
   * Connect Wemos D1 mini to the MAX3232 transreceiver
   * Connect transreceiver to RJ10/RJ45 as descibed in the schematics (all three lines need to be connected)