Clarify page title

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/html/about.html

@@ -2,7 +2,7 @@
 {% load i18n %}
 
 {% block breadcrumbs %}
-<li><a href="{% url 'about' %}">{% trans "About" %}</a></li>
+<li><a href="{% url 'about' %}">{% trans "About Weblate" %}</a></li>
 {% endblock %}
 
 {% block content %}