I have been working on a pink winter scarf for a friend who was diagnosed with breast cancer recently. It is a soft chunky type yarn, worked in a simple rib, k2 p2 pattern. I had been slipping the first k stitch on each row, and for some reason I forgot and k the first stitch on 3 rows before I realized what I had done! Ugh! How do I correct those stitches? I can correct stitches in a row, but the end/beginning always confuses me.

help...