fix

Author: blagoev

CONTRIBUTING.md

@@ -11,7 +11,7 @@ To avoid a conflict, delete the installed extension at `~/.vscode/extensions/Tel
 
 ### Then...
 * `cd` to the folder you just cloned
-* Run `npm install -g gulp` and `npm install`
+* Run `npm -g install gulp` and `npm install`
 * Run `gulp build`
 
 
@@ -22,4 +22,4 @@ In VS Code, run the `launch as server` launch config - it will start the adapter
 There is a set of mocha tests which can be run with `gulp test` or with the `test` launch config. Also run `gulp tslint` to check your code against our tslint rules.
 
 ## Code
-The eextension is based on [VSCode Chrome Debug Extension](https://github.com/Microsoft/vscode-chrome-debug).
+The eextension is based on [VSCode Chrome Debug Extension](https://github.com/Microsoft/vscode-chrome-debug).