[minor] Copy update

CONTRIBUTING.md

@@ -1,6 +1,6 @@
-The authors of `faker.js` has put lots of effort to create a useful and handy
-library. There is still a lot of things to be done, so all contributions are
-welcome! If you can make `faker.js` better, please read the following guide.
+A lot of effort has been put into `faker.js` to create a useful and handy
+library. There are still a lot of things to be done, so all contributions are
+welcome! If you can make `faker.js` better, please read the following contribution guide.
 
 # Important
 
@@ -14,7 +14,7 @@ browsers. Keep this in mind, when modifying and/or extending the sources.
 ## Automation
 
 * The project is being built by [gulp](http://gulpjs.com/) (see [gulpfile](build/gulpfile.js)), destination directory is [build/build](build/build)
-* The documentation is auto-generated, basing on [build/src](build/src) markdown sources. If you modify the main [Readme.md](Readme.md) file, the PR will be rejected, since it will be overwritten by the upcoming `gulp` execution
+* The documentation is auto-generated, based on [build/src](build/src) markdown sources. If you modify the main [Readme.md](Readme.md) file, the Pull Request will be rejected, since it will be overwritten by the upcoming `gulp` execution
 * The tests are executing `mocha` against all js contents of [test](test) directory
 
 ## Architecture