Minor class name fix

Author: deimonn

src/templates/docs.html

@@ -47,7 +47,7 @@
   <!-- Table of contents -->
   <div class="toc">
       <h2>Table of Contents</h2>
-      <div class="dei-toccontent">
+      <div class="toc-content">
         ${DOCS_TOCHTML}
       </div>
   </div>