diff --git a/fhem/CHANGED b/fhem/CHANGED
index 7955c8a57..e9e27504d 100644
--- a/fhem/CHANGED
+++ b/fhem/CHANGED
@@ -300,3 +300,4 @@
   - feature: new 50_WS300.pm from Martin (bugfix + rain statistics, 26.02)
   - feature: renamed fhz1000 to fhem
   - feature: added HISTORY and README.DEV
+  - doc:     Added description of attribute "model".
diff --git a/fhem/HISTORY b/fhem/HISTORY
index ab90b43fa..61ca4f742 100644
--- a/fhem/HISTORY
+++ b/fhem/HISTORY
@@ -1,2 +1,5 @@
 - Rudi, Thu Feb  1 13:27:15 MET 2007
   Created the file HISTORY and the file README.DEV
+
+- Pest, Thu Feb  1 20:45 MET 2007
+  Added description for attribute "model" in commandref.html
diff --git a/fhem/README.CVS b/fhem/README.CVS
index 2e7ed98ea..293ece278 100644
--- a/fhem/README.CVS
+++ b/fhem/README.CVS
@@ -14,7 +14,7 @@ If you wish to contribute to the project, then
    % cvs update
 - make your changes
 - test if it is working (Really !!!)
-- make an entry in the CHANGES file, giving your changes a "title".
+- make an entry in the CHANGED file, giving your changes a "title".
 - describe your changes in the file HISTORY, and dont forget to mention your
   name and the date of change
 - it makes sense to do a "cvs diff" before checking in the stuff with
diff --git a/fhem/docs/commandref.html b/fhem/docs/commandref.html
index 465e420e9..6a0657c03 100644
--- a/fhem/docs/commandref.html
+++ b/fhem/docs/commandref.html
@@ -214,6 +214,20 @@ split in multiple lines<br><br>
         seconds, fractions are allowed. It affects installations with more then
         one FHZ device or repeater, see the entry above.
 	</li>
+    <li>model<br>
+        The model attribute denotes the model type of the device.
+        The attributes will (currently) not be used by the fhem.pl directly.
+        It can be used by e.g. external programs or web interfaces to
+        distinguish classes of devices and send the appropriate commands
+        (e.g. "on" or "off" to a fs20st, "dim..%" to fs20du etc.).
+        The spelling of the model names are as quoted on the printed
+        documentation which comes which each device. This name is used
+        without blanks in all lower-case letters. Valid characters should be
+        <code>a-z 0-9</code> and <code>-</code> (dash),
+        other characters should be ommited
+        (<code>fht80b, fs20du, fs20led, fs20piri, fs20s20, fs20s4a,
+         fs20st fs20ts, hms100mg, rm100-2uni-s,</code> etc.).
+	</li>
   </ul>
 
   Examples:
@@ -221,6 +235,7 @@ split in multiple lines<br><br>
     <code>attr lamp room kitchen</code><br>
     <code>attr lamp dummy</code><br>
     <code>attr lamp loglevel 6</code><br>
+    <code>attr lamp model fs20du</code><br>
     <code>del attr lamp</code><br>
     <code>at *23:00:10 set lamp off</code><br>
     <code>attr at lamp.off skip_next</code><br>