[]edit] README

Author: i4004

README.md

@@ -5,7 +5,7 @@
 [![Build Package](https://github.com/SimplifyNet/Etcd.Microsoft.Extensions.Configuration/actions/workflows/build.yml/badge.svg)](https://github.com/SimplifyNet/Etcd.Microsoft.Extensions.Configuration/actions/workflows/build.yml)
 [![Libraries.io dependency status for latest release](https://img.shields.io/librariesio/release/nuget/Etcd.Microsoft.Extensions.Configuration)](https://libraries.io/nuget/Etcd.Microsoft.Extensions.Configuration)
 [![CodeFactor Grade](https://img.shields.io/codefactor/grade/github/SimplifyNet/Etcd.Microsoft.Extensions.Configuration)](https://www.codefactor.io/repository/github/simplifynet/Etcd.Microsoft.Extensions.Configuration)
-![Platform](https://img.shields.io/badge/platform-.NET%206.0%20%7C%20.NET%20Standard%202.1-lightgrey)
+![Platform](https://img.shields.io/badge/platform-.NET%209.0%20%7C%20.NET%208.0-lightgrey)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen)](http://makeapullrequest.com)
 
 Etcd based configuration provider for Microsoft.Extensions.Configuration.