I am also very new to knitting, but I came across this on a previous pattern. If I am not mistaken, the pattern is just informing you what will be the wrong side and the right side of your work. This will be important later when they give you a direction to do something on either the WS or RS of the scarf. I put a safety pin to mark the RS on a sweater I was attempting. After a while, it became very apparent to me which was the right side and wrong side, and I didn't need the marker anymore.
As for that scarf pattern, follow the directions as stated, and be aware of which side is wrong and right.
Please post and let me know how hard that scarf was -- I'd love to try a cable pattern, but I'm scared !