Updated Software dependencies (markdown)

Software-dependencies.md

@@ -1,7 +1,7 @@
 Install via libraries:
 - Arduino ESP32 library: https://github.com/espressif/arduino-esp32
 - LoRa library, RadioLib selection is done by using `USE_RADIOLIB` flag in the sketch:
-  - RadioLib library (use github master version): https://github.com/jgromes/RadioLib
+  - RadioLib library (⚠ use github master version): https://github.com/jgromes/RadioLib
   - or LoRa Arduino library: https://github.com/sandeepmistry/arduino-LoRa
 - Arduino Timer library: https://github.com/contrem/arduino-timer
 - CircularBuffer library: https://github.com/rlogiacco/CircularBuffer