What's wrong with my code?

var correct = 0;
var answer1 = prompt("Name a programming language that's also a gem?");
if (answer1.toUpperCase() === 'RUBY') {
    correct += 1;
}
var answer2 = prompt("What language builds the structure of the page?");
if (answer2.toUpperCase() === 'HTML') {
    correct += 1;
}
var answer3 = prompt("What programming language is also a snake?");
if (answer3.toUpperCase() === 'PHYTON') {
    correct += 1;
}
var answer4 = prompt("what language is used to style pages?");
if (answer4.toUpperCase() === 'CSS') {
    correct += 1;
}
var answer5 = prompt("What language is used to add interactivity to the page?");
if (answer5.toUpperCase() === 'JAVASCRIPT') {
    correct += 1;
}

if ( correct === 5) {
    document.write("<p><strong> You earned a gold medal. </strong></p>");
} else if ( correct >= 3 ) {
    document.write("<p><strong> You earned a silver medal. </strong></p>");
} else if ( correct >= 2 ) {
    document.write("<p><strong> You earned a bronze medal. </strong></p>");
} else {
    document.write("<p><strong> NO MEDAL FOR U [REDACTED]. </stong></p>");
}