The ribbing will stretch out when worn. When you stretch it out on the needles does the transition bother you? I'd just call it the nature of the beast, but if you don't like it, then change it now before it's too late.
"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