Meta: Update link for the WHATWG Code of Conduct

See whatwg/whatwg.org#35

Author: zcorpan

README.md

@@ -3,7 +3,7 @@ This repository hosts the [Fullscreen API Standard](https://fullscreen.spec.what
 ### Code of conduct
 
 We are committed to providing a friendly, safe and welcoming environment for all. Please read and
-respect the [WHATWG Code of Conduct](https://wiki.whatwg.org/wiki/Code_of_Conduct).
+respect the [WHATWG Code of Conduct](https://whatwg.org/code-of-conduct).
 
 ### Contribution opportunities