diff --git a/CHANGED b/CHANGED
index 0cee9a5..f66789d 100644
--- a/CHANGED
+++ b/CHANGED
@@ -1,3 +1,7 @@
+2024-01-03 - Update 88_Timer.pm
+
+- remove old versionsstring
+- added commandref for groups
 2024-01-03 - Automaitc updated controls and CHANGED
 2024-01-03 - Automaitc updated controls and CHANGED
 2024-01-03 - Update 88_Timer.pm
diff --git a/FHEM/88_Timer.pm b/FHEM/88_Timer.pm
index d2762f5..0e80fcc 100644
--- a/FHEM/88_Timer.pm
+++ b/FHEM/88_Timer.pm
@@ -23,8 +23,6 @@ use warnings;
 use Time::HiRes qw(gettimeofday);
 use FHEM::Meta;
 
-our $VERSION_Timer = '2024-01-03';
-
 my @action = qw(on off DEF);
 my @names;
 my @designations;
@@ -114,8 +112,6 @@ sub Timer_Define {
     if (!defined AttrVal($name, 'room', undef)) { CommandAttr($hash,"$name room $typ"); }       # set room, if only undef --> new def
   }
 
-  $hash->{versionModule} = $VERSION_Timer;
-
   ### default value´s ###
   readingsBeginUpdate($hash);
   readingsBulkUpdate($hash, 'state' , 'Defined');
@@ -1356,6 +1352,7 @@ This makes it possible, for example, to have a timer run every Sunday at 15:30:0
 <b><i><u>Hints:</u></i></b><br>
 <ul><li>Entries in the system logfile like: <code>2019.09.20 22:15:01 3: Timer: time difference too large! interval=59, Sekunde=01</code> say that the timer has recalculated the time.</li></ul>
 <ul><li>The offset function can only be activated at sunrise (SR) and sunset (SS).</li></ul>
+<ul><li>To implement a switching group, you can combine the timer module with the structure module.</li></ul>
 
 </ul>
 =end html
@@ -1484,6 +1481,7 @@ Damit ist es m&ouml;glich, einen Timer beispielsweise nur jeden Sonntag um 15:30
 <b><i><u>Hinweise:</u></i></b><br>
 <ul><li>Eintr&auml;ge im Systemlogfile wie: <code>2019.09.20 22:15:01 3: Timer: time difference too large! interval=59, Sekunde=01</code> sagen aus, das der Timer die Zeit neu berechnet hat.</li></ul>
 <ul><li>Die Funktion Offset ist nur bei Sonnenaufgang (SA) und Sonnenuntergang (SU) aktivierbar.</li></ul>
+<ul><li>Um eine Gruppenschaltung umzusetzen, so kann man das Timer Modul mit dem structure Modul kombinieren.</li></ul>
 </ul>
 =end html_DE
 
diff --git a/controls_Timer.txt b/controls_Timer.txt
index b7cd392..5f6eeaa 100644
--- a/controls_Timer.txt
+++ b/controls_Timer.txt
@@ -1 +1 @@
-UPD 2024-01-03_17:21:16 76172 FHEM/88_Timer.pm
+UPD 2024-01-03_18:48:41 76322 FHEM/88_Timer.pm