A programmer has written a procedure to apply a promotional discount to specific items in a bookstore inventory list. The list inv stores items in the format [itemID, title, genre, price].
PROCEDURE applyDiscount()
BEGIN PROCEDURE
FOR x FROM 0 TO LENGTH(inv) - 1 DO
IF inv[x,2] == "Fiction" THEN
SET inv[x,3] TO inv[x,3] * 0.85
END IF
END FOR
END PROCEDURE
State two changes that could be made to this pseudocode to improve its readability.