Reword offline fallback page

aleksis/core/templates/offline.html

@@ -7,15 +7,18 @@
 {% block content %}
   <h3>
     <i class="material-icons iconify left medium" style="font-size: 2.92rem;" data-icon="mdi:wifi-strength-alert-outline"></i>
-    {% blocktrans %}Page not available offline.{% endblocktrans %}
+    {% blocktrans %}No connection to server.{% endblocktrans %}
   </h3>
 
   <p class="flow-text">
     {% blocktrans %}
-      This page is not available offline. Since you probably don't have an internet connection, check to see if your WiFi
-      or mobile data is turned on and try again. If you think you are connected, please contact the system
-      administrators:
+      This page is not available without a connection to the server. Please check your internet connection and try again.
+      If you are connected and the error persists, please contact the system administrators:
     {% endblocktrans %}
   </p>
   {% include "core/partials/admins_list.html" %}
+  <a onClick="window.location.reload();" class="btn secondary waves-effect waves-light">
+    <i class="material-icons left">refresh</i>
+    {% trans "Retry" %}
+  </a>
 {% endblock %}