about page links to 404 for "Blocking vs Non-Blocking" link

[tconroy]

• URL: https://nodejs.org/en/about/
• Browser version: any
• Operating system: any

if you go to https://nodejs.org/en/about/, and click the link for Blocking vs Non-Blocking, it takes you to this URL: https://github.com/nodejs/node/blob/master/doc/topics/blocking-vs-non-blocking.md

which is a 404.

[fhemberger]

Good catch, thanks! I created a PR for it: #1112

[tconroy]

Thanks @fhemberger!