Use an IIFE to Create a Module not working need help

Tell us what’s happening:

Your code so far

var funMOdule = (function(){
    singMixin : function(obj) {
      obj.sing = function() {
          console.log("Singing to an awesome tune");
    isCuteMixin: function(obj) {
      obj.isCute = function() {
        return true;

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User Agent is: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75 Safari/537.36.

Link to the challenge:

Very first line. Watch your capitalization.