This is my html code as shown in bellow,

```
<button  type="button" class="csk-landing-button-1">
    <i class="fa fa-plus-circle" aria-hidden="true"></i>
    <span>Device Requirement</span>
</button>

<script>
$('.csk-landing-button-1').click(function(){    
    $(this).find('i').toggleClass('fa-plus-circle fa-minus-circle')
});
</script>

```

Here i toogle .fa icon. But I want to chage `<span>` tag text also. So what can i do for that.