diff --git a/FHEM/10_EnOcean.pm b/FHEM/10_EnOcean.pm
index d04ee5caa..66905343f 100755
--- a/FHEM/10_EnOcean.pm
+++ b/FHEM/10_EnOcean.pm
@@ -140,30 +140,30 @@ EnOcean_Set($@)
       $hash->{READINGS}{$cmd}{TIME} = $tn;
       $hash->{READINGS}{$cmd}{VAL} = $arg;
 
-   } elsif($st eq "dimmCtrl") { # Tested for Eltako-Dimmer
-     if($cmd eq "teach") {
-      my $data=sprintf("A502000000%s00", $hash->{DEF});
-      Log $ll2, "dimmCtrl.Teach: " . $data;
-       IOWrite($hash, "000A0001", $data); # len:000a optlen:00 pakettype:1(radio)
+    } elsif($st eq "dimmCtrl") { # Tested for Eltako-Dimmer
+      if($cmd eq "teach") {
+        my $data=sprintf("A502000000%s00", $hash->{DEF});
+        Log $ll2, "dimmCtrl.Teach: " . $data;
+        IOWrite($hash, "000A0001", $data); # len:000a optlen:00 pakettype:1(radio)
 
-     } elsif($cmd eq "dimm") {
-       return "Usage: dimm percent [time 01-FF FF:slowest] [on/off]" if(@a<2);
-       my $time=0;
-       my $onoff=1;
-       # for eltako relative (0-100) (but not compliant to EEP because DB0.2 is 0)
-       my $dimVal=$a[1];
-       shift(@a);
-       if(defined($a[1])) { $time=$a[1]; shift(@a); }
-       if(defined($a[1])) { $onoff=($a[1] eq "off") ? 0 : 1; shift(@a); }
-       # EEP: A5/38/08 Central Command ->Typ 0x02: Dimming
-       my $data=sprintf("A502%02X%02X%02X%s00", $dimVal, $time, $onoff|0x08, $hash->{DEF});
-       IOWrite($hash, "000A0001", $data);
-       Log $ll2, "dimmCtrl.dimm: " . $data;
+      } elsif($cmd eq "dimm") {
+        return "Usage: dimm percent [time 01-FF FF:slowest] [on/off]" if(@a<2);
+        my $time=0;
+        my $onoff=1;
+        # for eltako relative (0-100) (but not compliant to EEP because DB0.2 is 0)
+        my $dimVal=$a[1];
+        shift(@a);
+        if(defined($a[1])) { $time=$a[1]; shift(@a); }
+        if(defined($a[1])) { $onoff=($a[1] eq "off") ? 0 : 1; shift(@a); }
+        # EEP: A5/38/08 Central Command ->Typ 0x02: Dimming
+        my $data=sprintf("A502%02X%02X%02X%s00", $dimVal, $time, $onoff|0x08, $hash->{DEF});
+        IOWrite($hash, "000A0001", $data);
+        Log $ll2, "dimmCtrl.dimm: " . $data;
+ 
+      } else {
+        return "Unknown argument $cmd, choose one of: teach, dimm:slider,0,1,100"
 
-     } else {
-      return "Unknown argument $cmd, choose one of: teach, dimm"
-
-     }
+      }
 
     ###########################
     } else {                                          # Simulate a PTM
diff --git a/docs/commandref.html b/docs/commandref.html
index e6ccf703e..ceeca018e 100644
--- a/docs/commandref.html
+++ b/docs/commandref.html
@@ -3821,6 +3821,14 @@ A line ending with \ will be concatenated with the next one, so long lines
          Do not regulate the MD15.</li>
     </ul></li>
 
+    <li>subType dimmCtrl, tested with ElTako Dimmer only
+    <ul>
+      <li>teach<br>
+        initiate teach-in mode
+      <li>dimm percent [time 01-FF FF:slowest] [on/off]<br>
+        issue dim command.
+    </ul>
+    </li>
 
     <li>all other:
     <ul>