Corrupted Unique Strongbox -> incorrect sockets

I got a Strongbox which had a description indicating it contained a Corrupted item with an extra rune socket.

I got Luminous Pace, Corrupted, but with a single socket.

It should have 2 sockets - the regular one, plus a corrupted one.

Also, GGG, please, if you're giving us a Corrupted Unique as a single reward... can you please make it 20% quality? Because otherwise, often it'll be useless.