Update broken link

The link text refers to CODEOWNERS but the link refers to a non-existent code of conduct. Updating to point to the CODEOWNERS file.

Author: chrisreddington

README.md

@@ -16,7 +16,7 @@ This project is licensed under the terms of the MIT open source license. Please
 
 ## Maintainers 
 
-You can find the list of maintainers in [CODEOWNERS](./.github/CODE_OF_CONDUCT.md)
+You can find the list of maintainers in [CODEOWNERS](./.github/CODEOWNERS)
 
 ## Support