Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -3,7 +3,7 @@
 ## Getting started <!-- omit in toc -->
 
 Before you begin:
-- This site is powered by node.js. Check to see if you're on the [version of node we support](https://www.npmjs.com/package/check-node-version).
+- This site is powered by Node.js. Check to see if you're on the [version of node we support](contributing/development.md).
 - Have you read the [code of conduct](CODE_OF_CONDUCT.md)?
 - Check out the existing issues & see if we [accept contributions](#types-of-contributions-memo) for your type of issue.