Noted libmodbus requirement in the README

diff --git a/README b/README
index d5d924c..35360b3 100644 (file)
--- a/README
+++ b/README
@@ -10,5 +10,6 @@ Required packages
 - libncurses-dev
 - libssl-dev
 - build-essentials (gcc and GNU Make)
+- libmodbus (used for communicating with the coke machine)
 
 Run `make -C src/`