Modify Readme.md

Author: moh-hassan

CHANGELOG.md

@@ -3,7 +3,8 @@ All notable changes to this project will be documented in this file.
 
 CommandLineParser project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [2.7.1] - 2020-1-1
+## [2.7.0] - 2020-1-1
+## [2.7.0-preview1] - 2020-1-1
 ### Added
 - Add option groups feature by [@hadzhiyski](https://github.com/commandlineparser/commandline/pull/552) - When one or more options has group set, at least one of these properties should have set value (they behave as required).
 - Add a new overload method for AutoBuild to enable HelpText customization by [@moh-hassan](https://github.com/commandlineparser/commandline/pull/557).
@@ -120,4 +121,4 @@ by [@WallaceKelly](https://github.com/commandlineparser/commandline/pull/493)
 
 ## [2.2.0] - 2018-01-07 
 
-## [1.9.71.2] - 2013-02-27: The starting bascode version
+## [1.9.71.2] - 2013-02-27: The starting bascode version

README.md

@@ -1,7 +1,7 @@
 [![Build status](https://ci.appveyor.com/api/projects/status/p61dj8udxs2aocmo/branch/master?svg=true)](https://ci.appveyor.com/project/commandlineparser/commandline/branch/master)
 [![NuGet](https://img.shields.io/nuget/dt/commandlineparser.svg)](http://nuget.org/packages/commandlineparser)
 [![NuGet](https://img.shields.io/nuget/v/commandlineparser.svg)](https://www.nuget.org/packages/CommandLineParser/)
-[![NuGet](https://img.shields.io/nuget/vpre/commandlineparser.svg)](https://www.nuget.org/packages/CommandLineParser.FSharp/)
+[![NuGet](https://img.shields.io/nuget/vpre/commandlineparser.svg)](https://www.nuget.org/packages/CommandLineParser/)
 [![Join the Gitter chat!](https://badges.gitter.im/gsscoder/commandline.svg)](https://gitter.im/gsscoder/commandline?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 # Command Line Parser Library for CLR and NetStandard