Correction of html error

src/index.org

@@ -15,5 +15,3 @@ forestière (IGN).
 + Research Gate : https://www.researchgate.net/profile/Mattia-Bunel
 + HAL : https://cv.archives-ouvertes.fr/mattia-bunel
 #+end_div
-
-

theme/templates/base.html

@@ -5,12 +5,11 @@
     <meta charset="utf-8">
     <title>
       {% block title %}{{ site_name | default("weblorg website") }}{% endblock %}
-      {% block subtitle %}{% endblock %}
     </title>
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    {% if site_owner is defined %}<meta name="author" content="{{ site_owner }}" />{% endif %}
-    {% if site_description is defined %}<meta name="description" content="{{ site_description }}" />{% endif %}
-    {% if site_keywords is defined %}<meta name="keywords" content="{{ site_keywords }}" />{% endif %}
+    {% if site_owner is defined %}<meta name="author" content="{{ site_owner }}">{% endif %}
+    {% if site_description is defined %}<meta name="description" content="{{ site_description }}">{% endif %}
+    {% if site_keywords is defined %}<meta name="keywords" content="{{ site_keywords }}">{% endif %}
     {% block meta %}{% endblock %}
     <!-- Rss -->
     <!--link rel="alternate" type="application/rss+xml" title="RSS Feed"  href="{{ url_for("feed") }}" /-->
@@ -42,7 +41,7 @@
       <div class="title">
 	<div class="avatar">
 	  <a href="{{ url_for("index") }}">
-	    <img src="{{ url_for("static", file="archi.jpg") }}">
+	    <img alt="Un hiboux grognon sur un globe terrestre" src="{{ url_for("static", file="archi.jpg") }}">
 	  </a>
 	</div>
 	<h1>