update readme

Author: zivillian

README.md

@@ -1,7 +1,7 @@
 # ESP32 Modbus RTU/TCP Gateway
 
-The goal is to create a generic firmware for an ESP32 to be used as a gateway for any modbus RTU device.
+A generic firmware for an ESP32 to be used as a gateway for any modbus RTU device.
 
 ## State
 
-Some things are already working, but it's far from finished. If you have an idea please open an issue - if you can improve anything just create a PR.
+It work's for me, but there's plenty of room for improvement. If you have an idea please open an issue - if you can improve anything just create a PR.