How much deception are you ok with before it becomes an issue? Would it be ok if the second screen was also missing the "annual plan" text, and it only became v

How much deception are you ok with before it becomes an issue? Would it be ok if the second screen was also missing the "annual plan" text, and it only became visible on the payment-confirmation screen? What if was only visible in the fine print at the bottom of the page? Where do you draw the line?