diff --git a/fhem/contrib/fhemupdate.pl b/fhem/contrib/fhemupdate.pl
index 303748120..271c19513 100755
--- a/fhem/contrib/fhemupdate.pl
+++ b/fhem/contrib/fhemupdate.pl
@@ -53,6 +53,7 @@ my @filelist2 = (
   "FHEM/lib/MP3/Tag/.*",
   "FHEM/lib/UPnP/.*",
   "contrib/commandref_join.pl.txt",
+  "contrib/commandref_modular.pl.txt",
   "www/pgm2/.*",
   "www/pgm2/images/.*.png",
   "www/jscolor/.*",
diff --git a/fhem/docs/commandref_frame.html b/fhem/docs/commandref_frame.html
index afd083fee..f456220a5 100644
--- a/fhem/docs/commandref_frame.html
+++ b/fhem/docs/commandref_frame.html
@@ -1352,6 +1352,14 @@ The following local attributes are used by a wider range of devices:
         be written to this file.
     </li><br>
 
+    <a name="commandref"></a>
+    <li>commandref<br>
+        If set to "full" (default), then a full commandref will be generated
+        after each update. If set to modular, there is only a short description
+        at the beginning, and the module documentation is loaded from FHEM
+        dynamically.
+    </li><br>
+
     <a name="dnsServer"></a>
     <li>dnsServer<br>
         Contains the IP address of the DNS Server. If some of the modules or
diff --git a/fhem/docs/commandref_frame_DE.html b/fhem/docs/commandref_frame_DE.html
index be92cfc8a..1f41c7a10 100644
--- a/fhem/docs/commandref_frame_DE.html
+++ b/fhem/docs/commandref_frame_DE.html
@@ -1436,6 +1436,14 @@ Die folgenden lokalen Attribute werden von mehreren Ger&auml;ten verwendet:
        Ausgabedatei unter diesem Dateinamen gespeichert.
     </li><br>
 
+    <a name="commandref"></a>
+    <li>commandref<br>
+        Falls der Wert "full" (die Voreinstellung) ist, dann wird nach jedem
+        update ein komplettes commandref.html generiert. Falls der Wert
+        "modular" ist, dann wird die Moduldokumentation erst nach Bedarf
+        waehrend der Laufzeit per JavaScript geladen.
+    </li><br>
+
     <a name="dnsServer"></a>
     <li>dnsServer<br>
         Enth&auml;lt die IP Adresse des DNS Servers. Die von bestimmten Modulen