cr feedback

Author: zhengbli

README.md

@@ -5,7 +5,7 @@
 This tool is used to generate `dom.generated.d.ts` and `webworker.generated.d.ts` for TypeScript, and `domWeb.js` and `domWindows.js` for Visual Studio JavaScript language service. The input file is the XML spec file generated by the Microsoft Edge browser.
 
 ## Build Instruction
-To build the tool, simply clone the repo, and run `build.cmd` (Windows) or `build.sh` (OSX) in command line. If it runs successfully, the output files will be generated under the `generated` folder.
+To build the tool, simply clone the repo, and run `build.cmd` (Windows) or `build.sh` (OS X/Unix) in command line. If it runs successfully, the output files will be generated under the `generated` folder.
 
 Note: for OSX users, [Mono 4.2](http://www.mono-project.com/download/alpha/) is required.
 
@@ -18,7 +18,7 @@ For common changes, it is sufficient to change the json files.
 There are three json files that are used to alter the file generation: `addedTypes.json`, `overridingTypes.json` and `removedTypes.json`.
 The format of each file can be inferred from their existing content. 
 
-The common steps to send a pull request is:
+The common steps to send a pull request are:
   0. Open or refer to an issue in the [TypeScript repo](https://github.com/Microsoft/TypeScript).
   1. Add missing elements to `inputfiles/addedTypes.json`, overriding elements to `inputfiles/overridingTypes.json`, or  elements to remove to `inputfiles/removedTypes.json`.
   2. Run the script locally to obtain new `dom.generated.d.ts` and `webworker.generated.d.ts`.