Specified detailed information in home_unauth.

lostplaces/lostplaces_app/templates/home_unauth.html

@@ -12,10 +12,18 @@
         web galleries and contribute your knowledge by tagging other places or
         commenting on them. You will find detailed information on where these
         locations are, how to get there and what to expect from them. This might
-        even include information on how to overcome security measures or where
-        to watch for cameras or security personnel.
+        even include detailed information on the surroundings or the history
+        of a lost place.
+    </p>
+    <p class="LP-Paragraph">
+        Since vandalism is a growing problem these days, no sensitive
+        information is available to the public. You have to 
+        <a class="LP-Link" href="{% url 'codex' %}"><span class="LP-Link__Text">sign up</span></a> 
+        with a voucher code as an invitation to join this community. Only admins
+        can create these codes. Usually you are given a code when we know you
+        in real life in person. A request from an unknown person will most
+        probably be denied.
     </p>
-    <p class="LP-Paragraph">{% lorem %}</p>
 </article>
 
 <div class="LP-PlaceGrid">