HTML cleanup

apps/mozorg/templates/mozorg/home.html

@@ -20,7 +20,7 @@
 </hgroup>
 
 <section id="firefox-promo" class="billboard">
-  <img src="{{ media('img/home/firefox.png')}}" id="promo-logo">
+  <img src="{{ media('img/home/firefox.png')}}" id="promo-logo" alt="Firefox logo">
   <h3>Different by Design.</h3>
   <ul class="features">
     <li><span>Proudly<br>non-profit</span></li>

apps/mozorg/templates/mozorg/mission.html

@@ -49,5 +49,6 @@
 
 <p>To find out more about who we are, where we came from and where we want to take the Web, please watch the video above.</p>
 
+<p>Read the <a href="/about/manifesto.html">Mozilla Manifesto</a> to learn more about the values and principles that guide the pursuit of our mission.</p>
 
 {% endblock %}