How can I change date drop down to include 2016 & 2017

I am trying to add in 2016 and 2017 to our wedding enquiry form. How can I do this? 

Thanks

http://www.jotform.com//?formID=32273273684963

I think you have already figured this out. You just need to change it in the Year From and Year To options:

Please do not hesitate to get back to us if you need further assistance.