<!DOCTYPE html>
<html>
  <head>
    <script src="js/SudokuBoard.js"></script>
    <script src="js/SudokuPencilMarks.js"></script>
    <script src="js/SudokuHints.js"></script>
    <script src="js/react.js"></script>
    <script src="https://code.jquery.com/jquery-2.1.3.min.js"></script>
    <link href="css/sudoku-hints.css" rel="stylesheet" type="text/css" />
  </head>
  <body>
    <div id="content"></div>
    <script src="js/sudoku-hints.js"></script>
  </body>
</html>

<!DOCTYPE html>
<html>
  <head>
    <script src="js/SudokuBoard.js"></script>
    <script src="js/SudokuPencilMarks.js"></script>
    <script src="js/SudokuHints.js"></script>
    <script src="js/react.js"></script>
    <script src="https://code.jquery.com/jquery-2.1.3.min.js"></script>
    <link href="css/sudoku-hints.css" rel="stylesheet" type="text/css" />
  </head>
  <body>
    <div id="content"></div>
    <script src="js/sudoku-hints.js"></script>
    <section class="instructions">
      <h2>
        How to Use
      </h2>
      <p>Click inside cells to type the numbers from the known cells of your sudoku puzzle.  </p>
      <p>Once you have filled in all the cells you know, you are ready to start getting hints.</p>
      <h3>
        Buttons
      </h3>
      <ul>
        <li>
          <span>Pencil Marks:</span> shows the current list of available numbers in the empty cells (click a number to hide it)
        </li>
        <li>
          <span>Show Next Hint:</span> shows any available hints (currently supports naked single and hidden single)
        </li>
        <li>
          <span>Do Hint:</span> fills in the known cell from the previous hint
        </li>
        <li>
          <span>Link to this Board:</span> gives you a link directly to this board for copying
        </li>
        <li>
          <span>Clear:</span> starts fresh with an empty board
        </li>
      </ul>

    </section>
  </body>
</html>

Add a "how to use" section
Add a "how to use" section
