Accessibility tweak

Author: katshann-raspberry

jekyll-assets/_layouts/docs.html

@@ -11,11 +11,11 @@
         <div id="toc-container">
           <div id="toc-inner">
             <div id="docs-header">
-              <h1 id="docs-header-title">
+              <span id="docs-header-title">
                 <a href="/documentation">
                   Documentation
                 </a>
-              </h1>
+              </span>
               <label class="mobile-menu-toggle" for="mobile-toggle">
                 <div class="mobile-menu-toggle-inner"></div>
               </label>