Whale of tail lace sock

this is the pattern Whale Of tail lace socks

i’m a bit confused with this pattern. it said
next rnd: k2tog, yo, repeat all round
knit in stocknette st for the next 7 rnds

my confusion is that i don’t know when to start the stockentte st
thanks.

Put a marker on at the beginning of your rounds, k2tog yo until the end of it, then switch to stockinette.

THANKS YOU FOR YOUR HELP GOING TO WORK ON MY SOCK NOW I WAS GOING NUTS.