Updated README

README.md

 ## PINOUT
 
+Connect the Adafruit RFM69HCW module to the STM32F446RE Nucleo in the following way:
+
 SPI MOSI - PB15
 
 SPI MISO - PB14
@@ -8,4 +10,15 @@ SPI SCK - PB13
 
 SPI CS - PB1
 
-Reset - PB2
\ No newline at end of file
+Reset - PB2
+
+## COMPILATION
+
+This is a SW4STM32 project. Import, compile and flash it to the Nucleo.
+Use it together with RustPager.
+
+## DISCLAIMER
+
+This project is in a very early alpha stage. The code works for me but there is
+no guarantee that it will work for you. A lot can and should be cleaned up. You
+are more than welcome to contribute!