OctoprintKlipperPlugin/octoprint_klipper/templates/klipper_pid_tuning_dialog.jinja2

<div id="klipper_pid_tuning_dialog" class="modal hide fade small" tabindex="-1" role="dialog" aria-labelledby="klipper_pid_tuning_dialog_label" aria-hidden="true">
    <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal">&times;</button>
        <h3 id="klipper_pid_tuning_dialog_label">PID Tuning</h3>
    </div>
    <div class="modal-body">
       <div class="control-group">
         <label class="control-label">Heater Index</label>
         <div class="controls">
           <div class="input-append">
              <input type="text" class="input-block-level span2" data-bind="value: heaterIndex">
              <span class="add-on">index</span>
           </div>
         </div>
       </div>
       <div class="control-group">
         <label class="control-label">Target Temperature</label>
         <div class="controls">
            <div class="input-append">
               <input type="text" class="input-block-level span2" data-bind="value: targetTemperature">
               <span class="add-on">°C</span>
            </div>
         </div>
       </div>
       <label class="control-label">The result of the tuning cycle is reported in the terminal.</label>
       <div class="control-group">
         <div class="controls">
             <button class="btn btn-block" data-bind="click: startTuning" data-dismiss="modal"><i class="icon-fire"></i> Start Tuning</button>
         </div>
       </div>
   </div>
</div>