continue in stockinette st on all sts, at the same time dec 1 st on each side of the 13-13-15 (15-17) sts on upper foot as follows: k tog the 2 sts before the 13-13-15 (15-17) sts into back of loop and k tog the 2 sts after the 13-13-15 (15-17) sts.

How would the previous sentence be correctly capitalized?
Continue in stockinette st on all sts, AT THE SAME TIME dec 1 st on each side of the 13-13-15 (15-17) sts on upper foot as follows: K tog the 2 sts before the 13-13-15 (15-17) sts into back of loop and K tog the 2 sts after the 13-13-15 (15-17) sts.