How to add H1 tag to my homepage

[CSARENDT]

I just scanned my homepage (Narrative theme) on Browseo.net, and it comes back as having an empty H1 heading, and the text that I'd like to be H1 is currently H2. I can't figure out how to fix this. I can find the line I want when I view the source code of the site in Chrome (see photo below), but figuring out where it is in all the theme files is giving me a headache. 

The text in question is lines 1446-1448.

Anyone know where I can edit this object in the theme code?

Thanks in advance!

[oscprofessional]

Hello CSARENDT,

In narrative theme 

Online Store-> Themes -> Edit code->Sections->header.liquid
File contains <h1> tag.
Like this:

  <h1 class="site-header__logo-wrapper h4" itemscope itemtype="http://schema.org/Organization">