Change logo from navigation section. In navigation section(which is located top of the template) you can find navbar-brand where you can change the logo image or pull your text on a tag.
<!– logo –>
<h1 class="navbar-brand">
<a href="#body">Blue</a>
</h1>
<!– /logo –>
If you don’t know how to change image from html W3School can help to do in this page.