message: change circle into loop
diff: @@ -654,7 +654,7 @@ export default {
  <p>
  <Note>Note:</Note> difference between <code>move</code> and{" "}
  <code>swap</code>, keep calling <code>move</code> will push
  - input/inputs in a circle, while <code>swap</code> only change two
  + input/inputs in a loop, while <code>swap</code> only change two
  input/inputs' position.
  </p>
  </td>
  