Fix readme

README.md

@@ -1,16 +1,16 @@
 [![PkgGoDev](https://pkg.go.dev/badge/github.com/k0swe/rigctld-go)](https://pkg.go.dev/github.com/k0swe/rigctld-go)
-[![Go Report Card](https://goreportcard.com/badge/github.com/k0swe/rigctld-go)](https://goreportcard.com/report/github.com/k0swe/rigctld-go/v4)
+[![Go Report Card](https://goreportcard.com/badge/github.com/k0swe/rigctld-go)](https://goreportcard.com/report/github.com/k0swe/rigctld-go)
 [![Test](https://github.com/k0swe/rigctld-go/workflows/Test/badge.svg)](https://github.com/k0swe/rigctld-go/actions/workflows/test.yml)
 
 # rigctld-go
 
-Golang binding for the rigctld amateur radio software's TCP communication interface. This library
-supports receiving and sending all rigctld message types up through rigctld v2.5.2.
+Golang binding for the `rigctld` amateur radio software's TCP communication interface.
 
 ## Run
 
 This repository is designed as a library but includes a simple driver program to document basic
-integration. rigctld must be running and accepting TCP connections for the driver to pick them up.
+integration. `rigctld` must be running and accepting TCP connections for the driver to connect and
+send commands.
 
 From this directory: