How to select and change text using jquery

Question

I need to select text, which is contains in div, and change it to another text, from my example.

HTML source of the page, is look like this

<div itemprop="articleBody">    
  <div id="example">
    <h3 class="togg">Contacts</h3>
    My text to select <br />
    <img src="image" alt="new map" />
  </div>
</div>

So I need to find "My text to select" and change it to "New specific text" I and write this script below, using document.querySelector, but it does not find anything

<script>
document.querySelector('div[itemprop=articleBody]’).innerHTML = 'New specific text';
</script>

Can you help me please with correct one?