diff --git a/fhem/docs/commandref.html b/fhem/docs/commandref.html
index 5344fb82e..bcd75795e 100644
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@@ -102,6 +102,7 @@
       <a href="#KS300">KS300</a> &nbsp;
       <a href="#LGTV">LGTV</a> &nbsp;
       <a href="#LIRC">LIRC</a> &nbsp;
+      <a href="#LUXTRONIK2">LUXTRONIK2</a> &nbsp;
       <a href="#M232">M232</a> &nbsp;
       <a href="#M232Counter">M232Counter</a> &nbsp;
       <a href="#M232Voltage">M232Voltage</a> &nbsp;
@@ -4011,6 +4012,51 @@ A line ending with \ will be concatenated with the next one, so long lines
 
 </ul>
 
+<a name="LUXTRONIK2"></a>
+<h3>LUXTRONIK2</h3>
+<ul>
+  Luxtronik 2.0 is a heating controller used in Alpha Innotec and Siemens Novelan Heatpumps. 
+  It can be directly integrated into a local area network (Ethernet port).<br>
+  <br>
+
+  <a name="LUXTRONIK2define"></a>
+  <b>Define</b>
+  <ul>
+    <code>define &lt;name&gt; LUXTRONIK2 &lt;IP-address&gt; [&lt;poll-interval&gt;]</code>
+    <br><br>
+	If the pool interval is omitted, it is set to 300 (seconds).
+	<br><br>
+    Example:
+    <ul>
+      <code>define Heizung LUXTRONIK2 192.168.0.12 600</code><br>
+    </ul>
+  </ul>
+  <br>
+
+  <a name="LUXTRONIK2set"></a>
+  <b>Set </b>
+	<ul>
+    Nothing to set here yet...
+    </ul>
+  <br>
+
+  <a name="LUXTRONIK2get"></a>
+  <b>Get</b>
+  <ul>
+   No get implemented yet ...
+  </ul>
+  <br>
+
+  <a name="LUXTRONIK2attr"></a>
+  <b>Attributes</b>
+  <ul>
+    <li><a href="#do_not_notify">do_not_notify</a></li>
+    <li><a href="#loglevel">loglevel</a></li>
+  </ul>
+  <br>
+
+  </ul>
+
 <a name="CM11"></a>
 <h3>CM11</h3>
 <ul>