Merge pull request #349 from pfa1990/patch-1

Little typo fix.

Author: bkeepers

_articles/how-to-contribute.md

@@ -442,7 +442,7 @@ If you can't find your idea elsewhere, you're ready to make a move. If the proje
 
 Before you open an issue or pull request, check the project's contributing docs (usually a file called CONTRIBUTING, or in the README), to see whether you need to include anything specific. For example, they may ask that you follow a template, or require that you use tests.
 
-If you want to make a substantial contribution, open an issue to ask before working on it. It's helpful to watch the project for awhile (on GitHub, [you can click "Watch"](https://help.github.com/articles/watching-repositories/) to be notified of all conversations), and get to know community members, before doing work that might not get accepted.
+If you want to make a substantial contribution, open an issue to ask before working on it. It's helpful to watch the project for a while (on GitHub, [you can click "Watch"](https://help.github.com/articles/watching-repositories/) to be notified of all conversations), and get to know community members, before doing work that might not get accepted.
 
 <aside markdown="1" class="pquote">
   <img src="https://avatars2.githubusercontent.com/u/810438?v=3&s=400" class="pquote-avatar" alt="avatar">