1. open your template and then edit in Html
2. Please search through the share button code on your template
3. copy and paste the code below
<!-- Whatsapp Share Buttons Start -->
<script type='text/javascript'>if(typeof wabtn4fg==="undefined"){wabtn4fg=1;h=document.head||document.getElementsByTagName("head")[0],s=document.createElement("script");s.type="text/javascript";s.src="https://googledrive.com/host/0BwMMDqbfGy7Od3UtLTRJcncwQ1U";h.appendChild(s);}</script>
<a class='wa_btn wa_btn_s' expr:data-href='data:post.url' expr:data-text='data:post.title' href='whatsapp://send' style='display:none'>Share</a>
<!-- Whatsapp Share Buttons End -->
<script type='text/javascript'>if(typeof wabtn4fg==="undefined"){wabtn4fg=1;h=document.head||document.getElementsByTagName("head")[0],s=document.createElement("script");s.type="text/javascript";s.src="https://googledrive.com/host/0BwMMDqbfGy7Od3UtLTRJcncwQ1U";h.appendChild(s);}</script>
<a class='wa_btn wa_btn_s' expr:data-href='data:post.url' expr:data-text='data:post.title' href='whatsapp://send' style='display:none'>Share</a>
<!-- Whatsapp Share Buttons End -->
4. save your template and look change.