rename badges norelease

Author: rubengp99

README.md

@@ -2,7 +2,7 @@
 
 [![CI Status](https://github.com/rubengp99/go-pool/actions/workflows/ci.yml/badge.svg)](https://github.com/rubengp99/go-pool/actions/workflows/ci.yml)
 [![Version](https://img.shields.io/github/v/release/rubengp99/go-pool)](https://github.com/rubengp99/go-pool/releases)
-![coverage](https://img.shields.io/badge/Coverage-86.1%25-brightgreen)
+![coverage](https://img.shields.io/badge/coverage-86.1%25-brightgreen)
 [![Go Report Card](https://goreportcard.com/badge/github.com/rubengp99/go-pool)](https://goreportcard.com/report/github.com/rubengp99/go-pool)
 [![GoDoc](https://pkg.go.dev/badge/github.com/rubengp99/go-pool)](https://pkg.go.dev/github.com/rubengp99/go-pool)
 [![License](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/rubengp99/go-pool/blob/dev/LICENSE.md)