Update README.md

README.md

@@ -20,23 +20,23 @@ This can all be done with a single small and cheap ESP32 board for less than $20
 # Hardware
 
 Supported ESP32 based LoRa IoT boards:
-- **Heltec LoRa-32**  a)
+- **Heltec LoRa-32**  *a)*
-- **TTGOv1**  a)
+- **TTGOv1**  *a)*
-- **TTGOv2**  a,d)
+- **TTGOv2**  *a,d)*
-- **TTGOv2.1**  a),e)
+- **TTGOv2.1**  *a),e)*
-- **TTGO T-Beam**  d),e),f)
+- **TTGO T-Beam**  *d),e),f)*
-- **Pycom LoPy**  b),f)*
+- **Pycom LoPy**  *b),f)*
-- **Pycom LoPy4**  b),f)*
+- **Pycom LoPy4**  *b),f)*
-- **Pycom FiPy**  b),f)*
+- **Pycom FiPy**  *b),f)*
-- **LoLin32** with [LoraNode32 shield](https://github.com/hallard/LoLin32-Lora)  b),c)
+- **LoLin32** with [LoraNode32 shield](https://github.com/hallard/LoLin32-Lora)  *b),c)*
-- **LoLin32 Lite** with [LoraNode32-Lite shield](https://github.com/hallard/LoLin32-Lite-Lora)  b),c)
+- **LoLin32 Lite** with [LoraNode32-Lite shield](https://github.com/hallard/LoLin32-Lite-Lora)  *b),c)*
 
 a) on board OLED Display supported;
 b) on board RGB LED supported;
 c) on board Hardware unique DEVEUI supported;
-d) external wiring needed, see instructions in file /hal/<board>.h;
+d) external wiring needed, see instructions in board.h file;
 e) battery voltage monitoring supported;
-f) on board GPS supported, *for Pycom devices with additional PyTrack board
+f) on board GPS supported (for Pycom PyTrack expansion needed)
 
 Target platform must be selected in [platformio.ini](https://github.com/cyberman54/ESP32-Paxcounter/blob/master/platformio.ini).<br>
 Hardware dependent settings (pinout etc.) are stored in board files in /hal directory.<br>