Merge pull request #15 from ncode/juliano/cleanup

update readme

README.md

@@ -3,7 +3,7 @@
 [![Go](https://github.com/ncode/ballot/actions/workflows/go.yml/badge.svg)](https://github.com/ncode/ballot/actions/workflows/go.yml)
 [![Go Report Card](https://goreportcard.com/badge/github.com/ncode/ballot)](https://goreportcard.com/report/github.com/ncode/ballot)
 [![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
-[![codecov](https://codecov.io/gh/ncode/bedel/graph/badge.svg?token=GVADXAIACR)](https://codecov.io/gh/ncode/ballot)
+[![codecov](https://codecov.io/gh/ncode/ballot/graph/badge.svg?token=GVADXAIACR)](https://codecov.io/gh/ncode/ballot)
 
 Consul based leader election with tagging support and hooks