The round 0 CO 6 are stand ins for a 3 stitch garter tab which is worked for 5 rows - from which 3 stitches are picked up along the side.
The row 1 instructions should therefore read k3 (from live end of garter tab), yo, pick up 1 stitch along the side, yo, pick up 1 stitch along the side, yo, pick up 1 stitch along the side, yo, k3 (from cast on end of carter tab
Shown with a cast-on count of 0 stitches.