Merge pull request siddii#75 from a5sk4s/patch-1

Update index.html

Author: siddii

index.html

@@ -76,7 +76,7 @@ <h3>
         <h3>
             <timer interval="1000">{{hhours}} hours, {{mminutes}} minutes, {{sseconds}} seconds.</timer>
         </h3>
-        <button class="btn" onclick="stopResumeTimer('clock-timer', this)" type="button">Stop</button>
+        <button class="btn" onclick="stopResumeTimer('clock-timer-leading-zero', this)" type="button">Stop</button>
     </div>
 </section>
 <section id="timer-with-start-time">