Update README.md

Author: matthias-bs

README.md

@@ -61,7 +61,7 @@ Mains adapter or Li-Ion battery (with or without solar charger) - depending on d
 * Install the Arduino ESP32 board package (V1.0.6 or V2.0.X) in the Arduino IDE (V1.8.19) -<br>
      **Note:** When using the ESP32 board package >=V2.0.5, you have to apply two fixes in arduino-lorawan and arduino-lmic, respectively (see below)
 * Select the desired ESP32 board
-* Install all libraries as listed in the section [Library Dependencies](https://github.com/matthias-bs/BresserWeatherSensorTTN/main/README.md#library-dependencies) via the Arduino IDE Library Manager
+* Install all libraries as listed in the section [Library Dependencies](https://github.com/matthias-bs/BresserWeatherSensorTTN/blob/main/README.md#library-dependencies) via the Arduino IDE Library Manager
 * Configure `Arduino/libraries/MCCI_LoRaWAN_LMIC_library/project_config/lmic_project_config.h`:
    * select you appropriate region
    * `#define CFG_sx1276_radio 1`