Better box title

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

weblate/html/about.html

@@ -26,7 +26,7 @@
 {% if offer_hosting %}
 <div class="col-md-4">
 <div class="panel panel-primary">
-<div class="panel-heading"><h4 class="panel-title">{% trans "Hosting projects" %}</h4></div>
+<div class="panel-heading"><h4 class="panel-title">{% trans "Hosting translations" %}</h4></div>
 <div class="panel-body">
 <p>
 {% trans "This Weblate instance hosts translations for various free software projects." %}