diff --git a/Software-dependencies.md b/Software-dependencies.md
index c581825..5c67a08 100644
--- a/Software-dependencies.md
+++ b/Software-dependencies.md
@@ -1,6 +1,7 @@
 Install via libraries:
 - Arduino ESP32 library: https://github.com/espressif/arduino-esp32
-- LoRa Arduino library: https://github.com/sandeepmistry/arduino-LoRa
-  - or RadioLib library (use github master version): https://github.com/jgromes/RadioLib
+- LoRa library, RadioLib selection is done by using `USE_RADIOLIB` flag in the sketch:
+  - LoRa Arduino library: https://github.com/sandeepmistry/arduino-LoRa
+  - RadioLib library (use github master version): https://github.com/jgromes/RadioLib
 - Arduino Timer library: https://github.com/contrem/arduino-timer
 - CircularBuffer library: https://github.com/rlogiacco/CircularBuffer