Made HOWTO a tiny bit better.

Documentation/HOWTO-change-firmware-and-compile-it_MeesElectronics.md

@@ -1,8 +1,10 @@
 # How to compile the RNode firmware yourself
 
+This document describes my efforts to add a new board to the Reticulum RNode firmware. It is published in the hope hat it is useful to other makers who want to make their own RNodes.
+
 ## Required knowledge
 
-This document assumes some basic knowledge of programming. Like using code editors to edit source code and using basic commands like `make`. Plus some basic Linux knowledge. But you don't have to be an expert.
+To follow this manual, some basic programming knowledge like using text editors to edit source code and using basic commands like `make` is required. Plus some basic Linux knowledge. But you don't have to be an expert.
 
 ## Dependencies