Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -2,22 +2,23 @@
 
 ## Contributing fixes to existing samples
 
-A bug must have an issue tracking it in the issue tracker that has been approved (Lable: "help wanted") by the TypeScript team.
+A bug must have an issue tracking it in the issue tracker that has been approved (labeled "help wanted") by the TypeScript team.
 Your pull request should include a link to the bug that you are fixing.
 If you've submitted a PR for a bug, please post a comment in the bug to avoid duplication of effort.
 
 ## Contributing new samples
 
-New samples may be accepted, but will need to first be approved (marked as Label: "help wanted" by a TypeScript coordinator) in the suggestion issue.
+New samples may be accepted, but will need to first be approved (labeled "help wanted" by a TypeScript coordinator) in the suggestion issue.
 
 For new samples, please provide a detailed explanation of the intended sample, list of technologies or tools used, and an explanation of why existing samples are not sufficient and a new sample is needed.
 
-A sample is meant to showcase a specific technology or toolchain integration with TypeScript; a sample is not meant to be a template that users would use to get a project going.
+A sample is meant to showcase a specific technology or toolchain integration with TypeScript; it is not meant to be a template that users would use to get a project going.
 A sample should only include tools/technologies that serve the main technology it covers; for instance, a sample for a UI framework should not include a test framework integration.
 
 A sample should be well documented.
-Please include comments in `readme.md` explaining why steps are being taken, including in build files if applicable.
-A good sample `readme.md` should read like a walkthrough, guiding the reader through different steps of setting up and building the sample.
+Please include comments in code as well as content in the a `README.md` explaining why steps are being taken.
+Comments should also be included in build files if applicable.
+A good sample `README.md` should read like a walkthrough, guiding the reader through different steps of setting up and building the sample.
 See [TypeScript quick start samples](https://github.com/Microsoft/TypeScript-Handbook/tree/master/pages/quick-start) for guidance.
 
 A sample should be self-contained.
@@ -36,4 +37,4 @@ Briefly, this agreement testifies that you are granting us permission to use the
 Please submit a Contributor License Agreement (CLA) before submitting a pull request.
 You may visit https://cla.microsoft.com to sign digitally.
 Alternatively, download the agreement ([Microsoft Contribution License Agreement.docx](https://www.codeplex.com/Download?ProjectName=typescript&DownloadId=822190) or [Microsoft Contribution License Agreement.pdf](https://www.codeplex.com/Download?ProjectName=typescript&DownloadId=921298)), sign, scan, and email it back to <cla@microsoft.com>.
-Be sure to include your github user name along with the agreement. Once we have received the signed CLA, we'll review the request.
+Be sure to include your GitHub user name along with the agreement. Once we have received the signed CLA, we'll review the request.