Reference maintainers intead of owner.

Author: rfoliva

CONTRIBUTING.md

@@ -1,7 +1,7 @@
 # Contributing
 
 When contributing to this repository, please first discuss the change you wish to make via issue,
-email, or any other method with the owners of this repository before making a change. 
+email, or any other method with the maintainers of this repository before making a change. 
 
 Please note we have a code of conduct, please follow it in all your interactions with the project.