What article on segment.com/docs is affected?

https://segment.com/docs/connections/sources/catalog/libraries/website/javascript/

What part(s) of the article would you like to see updated?

The callback timeout information can be updated to reflect the time it takes to execute.

callback | optional | Function | A function executed after a short timeout (300ms), giving the browser time to make outbound requests first.

This information needs to be updated across track(), identify(), page(), group() and alias() calls

Additional information

A recent PR for this change - segmentio/analytics-next#421