Check the licence classes listed on the back of your Operator's Licence. The category most people have is Class 5. Some highly-paid person didn't quite get it all right:
two axle motor vehicle and RV's It should be:
two-axle motor vehicle and RV with a hyphen between two and axle and no apostrophe or "s" after RV. No big deal. Just another little apostrophe being used when it didn't need to be.