Minor template fixup

ssmembership/jinja2/ssmembership/index.html

@@ -18,6 +18,8 @@
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #}
 
+{% block title %}Membership{% endblock %}
+
 {% block content %}
 	{% if not member %}
 		<h1>No membership records</h1>