Merge pull request #112 from githubtraining/fix-spelling

Fix spelling on README

Author: hectorsector

README.md

@@ -2,7 +2,7 @@ When your team uses a release-based workflow, GitHub makes it easy to collaborat
 
 GitHub releases allow your team to package and provide software to your users based on a specific point in the history of your project. In this course, you'll learn how to create a release-based workflow that is built on the foundations of the [GitHub Flow](https://guides.github.com/introduction/flow/).
 
-After completing this couse, you'll be able to:
+After completing this course, you'll be able to:
 
 - build a project board to manage your next release
 - create and commit changes on a release branch