diff --git a/fhem/FHEM/93_DbLog.pm b/fhem/FHEM/93_DbLog.pm
index cae3df777..719e54782 100644
--- a/fhem/FHEM/93_DbLog.pm
+++ b/fhem/FHEM/93_DbLog.pm
@@ -1452,11 +1452,11 @@ sub chartQuery($@) {
       <ul>Count records in tables current and history and write results into readings countCurrent and countHistory.</ul><br/>
 
     <code>set &lt;name&gt; deleteOldDays &lt;n&gt;</code><br/><br/>
-      <ul>Delete records from history older than days. Number of deleted record will be written into reading lastRowsDeleted.</ul><br/>
+      <ul>Delete records from history older than &lt;n&gt; days. Number of deleted record will be written into reading lastRowsDeleted.</ul><br/>
 
     <code>set &lt;name&gt; userCommand &lt;validSqlStatement&gt;</code><br/><br/>
       <ul><b>DO NOT USE THIS COMMAND UNLESS YOU REALLY (REALLY!) KNOW WHAT YOU ARE DOING!!!</b><br/><br/>
-          Perform any (!!!) sql statement on connected database. Ueercommand and result will be written into corresponding readings.<br/>
+          Perform any (!!!) sql statement on connected database. Useercommand and result will be written into corresponding readings.<br/>
       </ul><br/>
 
   </ul><br>
@@ -1732,7 +1732,25 @@ sub chartQuery($@) {
 
 
   <a name="DbLogset"></a>
-  <b>Set</b> <ul>N/A</ul><br>
+  <b>Set</b> 
+  <ul>
+    <code>set &lt;name&gt; reopen </code><br/><br/>
+      <ul>Schlie&szlig;t die Datenbank und &ouml;ffnet sie danach sofort wieder. Dabei wird die Journaldatei geleert und neu angelegt.<br/>
+	  Verbessert den Datendurchsatz und vermeidet Speicherplatzprobleme.</ul><br/>
+
+    <code>set &lt;name&gt; count </code><br/><br/>
+      <ul>Z&auml;hlt die Datens&auml;tze in den Tabellen current und history und schreibt die Ergebnisse in die Readings countCurrent und countHistory.</ul><br/>
+
+    <code>set &lt;name&gt; deleteOldDays &lt;n&gt;</code><br/><br/>
+      <ul>L&ouml;scht Datens&auml;tze, die &auml;lter sind als &lt;n&gt; Tage. Die Anzahl der gel&ouml;schten Datens&auml;tze wird in das Reading lastRowsDeleted geschrieben.</ul><br/>
+
+    <code>set &lt;name&gt; userCommand &lt;validSqlStatement&gt;</code><br/><br/>
+      <ul><b>BENUTZE DIESE FUNKTION NUR, WENN DU WIRKLICH (WIRKLICH!) WEISST, WAS DU TUST!!!</b><br/><br/>
+          F&uuml;hrt einen beliebigen (!!!) sql Befehl in der Datenbank aus. Der Befehl und ein zur&uuml;ckgeliefertes Ergebnis werden in entsprechende Readings geschrieben.<br/>
+      </ul><br/>
+
+  </ul><br>
+
 
   <a name="DbLogget"></a>
   <b>Get</b>
diff --git a/fhem/FHEM/98_Text2Speech.pm b/fhem/FHEM/98_Text2Speech.pm
index b5968a521..7ab2dc61b 100644
--- a/fhem/FHEM/98_Text2Speech.pm
+++ b/fhem/FHEM/98_Text2Speech.pm
@@ -64,6 +64,7 @@ sub Text2Speech_Initialize($)
                        " TTS_SentenceAppendix".
                        " TTS_FileMapping".
                        " TTS_FileTemplateDir".
+		       " TTS_VolumeAdjust".
                        " ".$readingFnAttributes;
 }
 
@@ -317,9 +318,9 @@ sub Text2Speech_Set($@)
   } elsif($cmd eq "volume") {
       my $vol = join(" ", @a);
       return "volume adjusting only available in direct mode" if($hash->{MODE} ne "DIRECT");
-      return "volume level expects 0..100 percent" if($vol !~ m/^([0-9]{1,2})$/);
-      $hash->{VOLUME} = $vol  if($vol ne 100);
-      delete($hash->{VOLUME}) if($vol eq 100);
+      return "volume level expects 0..100 percent" if($vol !~ m/^([0-9]{1,3})$/ or $vol > 100);
+      $hash->{VOLUME} = $vol  if($vol <= 100);
+      delete($hash->{VOLUME}) if($vol > 100);
   }
 
   return undef;
@@ -369,7 +370,7 @@ sub Text2Speech_PrepareSpeech($$) {
     $t =~ s/Ä/Ae/g;
     $t =~ s/Ö/Oe/g;
     $t =~ s/Ü/Ue/g;
-    $t =~ s/ß/sz/g;
+    $t =~ s/ß/ss/g;
 
     @text = $hash->{helper}{Text2Speech} if($hash->{helper}{Text2Speech}[0]);
     push(@text, $t);
@@ -455,10 +456,11 @@ sub Text2Speech_BuildMplayerCmdString($$) {
   my $cmd;
 
   my $TTS_MplayerCall = AttrVal($hash->{NAME}, "TTS_MplayerCall", $mplayer);
+  my $TTS_VolumeAdjust = AttrVal($hash->{NAME}, "TTS_VolumeAdjust", 110);
   my $verbose = AttrVal($hash->{NAME}, "verbose", 3);
 
   if($hash->{VOLUME}) { # per: set <name> volume <..>
-    $mplayerOpts .= " -softvol -softvol-max 110 -volume " . $hash->{VOLUME}; 
+    $mplayerOpts .= " -softvol -softvol-max ". $TTS_VolumeAdjust ." -volume " . $hash->{VOLUME}; 
   }
 
   my $AlsaDevice = $hash->{ALSADEVICE};
@@ -1005,4 +1007,4 @@ sub Text2Speech_WriteStats($$$$){
 </ul>
 
 =end html_DE
-=cut 
\ No newline at end of file
+=cut