I don't have this particular pattern, but if you want to pick up two stitches in one hole, I believe you'll have to pick up knitwise, bring the yarn to the front and the needle tip to the back and then pick up purlwise to get two workable stitches.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry