Update readme and package description

Kool.EditProject/source.extension.vsixmanifest

@@ -3,7 +3,7 @@
     <Metadata>
         <Identity Id="Kool.EditProject.51be3f7e-0e8b-4ad4-b2c9-126445f2ce6a" Version="1.4" Language="en-US" Publisher="Heku" />
         <DisplayName>Edit Project</DisplayName>
-        <Description xml:space="preserve">An open sourced Visual Studio extension to add a project context menu for editing project file.</Description>
+        <Description xml:space="preserve">An open source Visual Studio extension to add the context menu for editing project/solution file.</Description>
         <MoreInfo>https://github.com/heku/kool.editproject</MoreInfo>
         <Icon>Resources\Logo.ico</Icon>
         <Tags>heku;kool;edit;project;proj;csproj</Tags>

Readme.md

@@ -4,25 +4,24 @@ master|dev
 ------|---
 [![Build status](https://ci.appveyor.com/api/projects/status/luf891iask6ci15n/branch/master?svg=true)](https://ci.appveyor.com/project/heku/kool-editproject/branch/master)|[![Build status](https://ci.appveyor.com/api/projects/status/luf891iask6ci15n/branch/dev?svg=true)](https://ci.appveyor.com/project/heku/kool-editproject/branch/dev)
 
-Edit Project is an open sourced Visual Studio extension to add the context menu for editing project/solution file.
+An open source Visual Studio extension to add the context menu for editing project/solution file.
 
-You can download it via Visual Studio 2015/17/19 'Extensions and Updates' or from the [marketplace](https://marketplace.visualstudio.com/items?itemName=iheku.EditProject).
+You can download it via Visual Studio 2015/2017/2019 'Extensions and Updates' or [Marketplace](https://marketplace.visualstudio.com/items?itemName=iheku.EditProject).
 
 
 ## Features
 - Add **Edit Solution File** menu.
 
     ![Edit Solution Screenshot](Screenshots/Solution.png)
 - Add **Edit Project File** menu for non .NETCore projects.
- 
+
     ![Edit Single Project Screenshot](Screenshots/SingleProject.png)
 - Add **Edit Selected Projects** menu for multiple selected projects.
-    
+
     ![Edit Multiple Projects Screenshot](Screenshots/MultipleProjects.png)
 ## A known 'issue'
-Because the **Edit Selected Projects** menu works for all kinds of projects,
-include .NETCore projects which have the VS built-in Edit Project menu.
-If you open a .NETCore project via this menu then open it via the VS built-in menu (or reverse), two edit windows will be opened.
+Because the **Edit Selected Projects** menu works for all kinds of projects, include .NETCore projects which have the VS built-in Edit Project menu.
+If you edit a .NETCore project via this menu then edit it via the VS built-in menu (vice versa), then two edit windows will be opened.
 
 ## License
 - [MIT](LICENSE)