Just for info, the number 1 position does indeed get the right rune, its the silver chest that seems to be giving the wrong one.Thanks folks - you should indeed get Rune Shards of the same type as the AW you are investing in (if you have not yet unlocked the AW yourself, you will not be able to use the Rune Shard until you do unlock it.
We will check and see if this is a text error, or if this position does indeed give the wrong Rune Shard.