[random55643]

Sensu!

[click170]

Sorry - accidental down vote while trying to upvote on mobile.

[bryanlarsen]

There's now an 'undown' link you can click to undo accidental downs.

[click170]

I don't see an 'undown' link anywhere, even when clicking on the timestamp of the comment I replied to. shrugs #PoorUI

[DanBC]

click the timestamp, and then click [undown].

https://news.ycombinator.com/item?id=12073675