The number in brackets are usually for larger sizes. So if you were making the larger size, you'd do it 2 times, and largest size would go 4 times.
Since it appears you're doing the smallest size, you can ignore what's in the brackets.
"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