fix headers

network.html

@@ -143,7 +143,7 @@
       </div>
     </div>
     <div class="mx-16">
-      <h1 class="f-size-26 mt-96 mb-48 pb-36 pt-16 t-center f-normal bb-1-2 b-c-0">Public Peers</h1>
+      <h2 class="f-size-26 mt-96 mb-48 pb-36 pt-16 t-center f-normal bb-1-2 b-c-0">Public Peers</h2>
       <div class="mx-auto mt-20 bg-c-4 b-r-3">
         <table class="w-100-100">
           <tr>