Fixed minor typos and grammar mistakes in README and CONTRIBUTING (#134282)

* changed minor typos, little grammar mistakes

* fixed minor grammar mistakes in CONTRIBUTING

Author: ejcheng

CONTRIBUTING.md

@@ -18,7 +18,7 @@ See the [Feedback Channels](https://github.com/microsoft/vscode/wiki/Feedback-Ch
 
 ## Reporting Issues
 
-Have you identified a reproducible problem in VS Code? Have a feature request? We want to hear about it! Here's how you can make reporting your issue as effective as possible.
+Have you identified a reproducible problem in VS Code? Have a feature request? We want to hear about it! Here's how you can report your issue as effectively as possible.
 
 ### Identify Where to Report
 
@@ -43,7 +43,7 @@ If you cannot find an existing issue that describes your bug or feature, create
 
 File a single issue per problem and feature request. Do not enumerate multiple bugs or feature requests in the same issue.
 
-Do not add your issue as a comment to an existing issue unless it's for the identical input. Many issues look similar, but have different causes.
+Do not add your issue as a comment to an existing issue unless it's for the identical input. Many issues look similar but have different causes.
 
 The more information you can provide, the more likely someone will be successful at reproducing the issue and finding a fix.
 

README.md

@@ -13,7 +13,7 @@ This repository ("`Code - OSS`") is where we (Microsoft) develop the [Visual Stu
   <img alt="VS Code in action" src="https://user-images.githubusercontent.com/35271042/118224532-3842c400-b438-11eb-923d-a5f66fa6785a.png">
 </p>
 
-[Visual Studio Code](https://code.visualstudio.com) is a distribution of the `Code - OSS` repository with Microsoft specific customizations released under a traditional [Microsoft product license](https://code.visualstudio.com/License/).
+[Visual Studio Code](https://code.visualstudio.com) is a distribution of the `Code - OSS` repository with Microsoft-specific customizations released under a traditional [Microsoft product license](https://code.visualstudio.com/License/).
 
 [Visual Studio Code](https://code.visualstudio.com) combines the simplicity of a code editor with what developers need for their core edit-build-debug cycle. It provides comprehensive code editing, navigation, and understanding support along with lightweight debugging, a rich extensibility model, and lightweight integration with existing tools.
 
@@ -49,11 +49,11 @@ See our [wiki](https://github.com/microsoft/vscode/wiki/Feedback-Channels) for a
 
 ## Related Projects
 
-Many of the core components and extensions to VS Code live in their own repositories on GitHub. For example, the [node debug adapter](https://github.com/microsoft/vscode-node-debug) and the [mono debug adapter](https://github.com/microsoft/vscode-mono-debug) have their own repositories. For a complete list, please visit the [Related Projects](https://github.com/microsoft/vscode/wiki/Related-Projects) page on our [wiki](https://github.com/microsoft/vscode/wiki).
+Many of the core components and extensions to VS Code live in their own repositories on GitHub. For example, the [node debug adapter](https://github.com/microsoft/vscode-node-debug) and the [mono debug adapter](https://github.com/microsoft/vscode-mono-debug) repositories are separate from each other. For a complete list, please visit the [Related Projects](https://github.com/microsoft/vscode/wiki/Related-Projects) page on our [wiki](https://github.com/microsoft/vscode/wiki).
 
 ## Bundled Extensions
 
-VS Code includes a set of built-in extensions located in the [extensions](extensions) folder, including grammars and snippets for many languages. Extensions that provide rich language support (code completion, Go to Definition) for a language have the suffix `language-features`. For example, the `json` extension provides coloring for `JSON` and the `json-language-features` provides rich language support for `JSON`.
+VS Code includes a set of built-in extensions located in the [extensions](extensions) folder, including grammars and snippets for many languages. Extensions that provide rich language support (code completion, Go to Definition) for a language have the suffix `language-features`. For example, the `json` extension provides coloring for `JSON` and the `json-language-features` extension provides rich language support for `JSON`.
 
 ## Development Container