Your best bet in a case like this is to just look at your work. Knit the knit 'v' stitches and purl the bumps. When you interrupt the ribbing with the buttonholes, you can stay in pattern this way.
"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