Added new step :)

CONTRIBUTING.md

@@ -19,10 +19,12 @@ git clone git@github.com:your_github_username/linux-insides.git
 git checkout -b "linux-bootstrap-1-fix"
 ```
 
-And make your changes.
+4. Make your changes.
+
+5. Don't forget to add yourself in `contributors.md`
 
 **IMPORTANT**
 
-Please, do the actual changes. While you made your changes, I can merge changes from somebody else and your changes can conflict with `master` branch content. Please rebase on master everytime before you're going to push your changes and check that your branch doensn't conflict with `master`.
+Please, do the actual changes. While you made your changes, I can merge changes from somebody else and your changes can conflict with `master` branch content. Please rebase on master everytime before you're going to push your changes and check that your branch doesn't conflict with `master`.
 
 Thank you.