message: Modify record button text
diff: @@ -39,7 +39,7 @@ window.onload = function() {
  recordButton.addEventListener("click", function(){
  isRecording = !isRecording;
  if (isRecording)
  - recordButton.childNodes[1].textContent = "Recording";
  + recordButton.childNodes[1].textContent = "Stop";
  else
  recordButton.childNodes[1].textContent = "Record";
  })
  