Service worker 404s

[achingbrain]

I get this error when loading the gateway checker at https://ipfs.github.io/public-gateway-checker :

Uncaught (in promise) TypeError: Failed to register a ServiceWorker for scope ('https://ipfs.github.io/') with script ('https://ipfs.github.io/sw.js'): A bad HTTP response code (404) was received when fetching the script.

It's trying to load https://ipfs.github.io/sw.js which 404s, the correct URL is https://ipfs.github.io/public-gateway-checker/sw.js