Add level 2 header tag to page section header tags

templates/content-index.tpl.html

@@ -36,14 +36,14 @@
 
 	<!--% delta = date.calc.N_Delta_YMD(2005,9,19, date.format(date.now, '%Y'),date.format(date.now, '%m'),date.format(date.now, '%d')) %-->
 	<section id="welcome">
-		<header>Welcome</header>
+		<header><h2>Welcome</h2></header>
 		<p>Hacker Public Radio is a technology focused podcast that releases shows every weekday Monday to Friday. Our shows are produced by listeners like you and can be on any topic that is of interest to hackers, makers, hobbyists, etc. We are a welcoming community that offers positive feedback and encourages respectful debate.</p>
 		<div id="call_for_shows">
 			<!--% display_call_for_shows() %-->
 		</div>
   </section>
   <section id="podcast_lane">
-	  <header>The Podcast</header>
+	  <header><h2>The Podcast</h2></header>
 	  <div class="lane">
 	  <a class="lane-button" href="<!--% absolute_path(baseurl) %-->about.html#recording_a_podcast">
 		  <img src="<!--% absolute_path(baseurl) %-->images/icons/mic-fill.svg" alt="" height="110">
@@ -67,7 +67,7 @@
 	</div>
   </section>
   <section id="project_lane">
-	  <header>The Project</header>
+	  <header><h2>The Project</h2></header>
 	  <div class="lane">
 	  <a class="lane-button" href="<!--% absolute_path(baseurl) %-->correspondents/index.html">
 		  <img src="<!--% absolute_path(baseurl) %-->images/icons/user-fill.svg" alt="" height="110">
@@ -88,7 +88,7 @@
   <section id="latest_lane" class="lane">
   <!--% PROCESS 'shared-episode-summary.tpl.html' %-->
   <section id="latest_shows">
-	<header>Latest Shows</header>
+	<header><h2>Latest Shows</h2></header>
 <!--% host_cnt = 0 %-->
 	<ul>
 <!--% FOREACH latest_episodes IN DBI.query(query_latest_episodes)
@@ -99,7 +99,7 @@
 	</ul>
   </section>
   <section id="latest_comments">
-	<header>Latest Comments</header>
+	<header><h2>Latest Comments</h2></header>
 	<ul>
 <!--% FOREACH item IN DBI.query('
 		WITH episode_comment_rank AS (