$(document).ready(function() {
  $("#contactForm").validate({
    //debug: true,

    // custom error messages
    messages: {
      name: "Please specify your name",
      email: {
        required: "Please specify an email address",
        email: "Please specify a valid email address"
      },
      comments: "Please include a short message indicating specific information that you want to be contacted about"
    }
  });
});