Update Doppler description + Russian line

apps/launcher/ui/settingspage.ui

@@ -1239,7 +1239,7 @@
          <item>
           <widget class="QLabel" name="dopplerLabel">
            <property name="toolTip">
-            <string>Controls the strength of the doppler effect. Zero means it is completely disabled.</string>
+            <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Controls the strength of the Doppler effect. Zero means it is completely disabled.&lt;/p&gt;&lt;p&gt;The Doppler effect increases or decreases the pitch of sounds relative to the velocity of the sound source and the listener.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
            </property>
            <property name="text">
             <string>Doppler Factor</string>

docs/source/reference/modding/settings/sound.rst

@@ -129,5 +129,5 @@ Sound Settings
    :default: 0.25
    :location: :bdg-success:`Launcher > Settings > Audio`
 
-   This setting controls the strength of the doppler effect. Doppler effect increases or decreases the pitch of sounds
+   This setting controls the strength of the Doppler effect. The Doppler effect increases or decreases the pitch of sounds
-   relative to the velocity of the source and the listener.
+   relative to the velocity of the sound source and the listener.

files/lang/launcher_de.ts

@@ -1448,7 +1448,7 @@ to default Morrowind fonts. Check this box if you still prefer original fonts ov
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <source>Controls the strength of the doppler effect. Zero means it is completely disabled.</source>
+        <source>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Controls the strength of the Doppler effect. Zero means it is completely disabled.&lt;/p&gt;&lt;p&gt;The Doppler effect increases or decreases the pitch of sounds relative to the velocity of the sound source and the listener.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>

files/lang/launcher_en.ts

@@ -1448,7 +1448,7 @@ to default Morrowind fonts. Check this box if you still prefer original fonts ov
         <translation></translation>
     </message>
     <message>
-        <source>Controls the strength of the doppler effect. Zero means it is completely disabled.</source>
+        <source>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Controls the strength of the Doppler effect. Zero means it is completely disabled.&lt;/p&gt;&lt;p&gt;The Doppler effect increases or decreases the pitch of sounds relative to the velocity of the sound source and the listener.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</source>
         <translation></translation>
     </message>
     <message>

files/lang/launcher_fr.ts

@@ -1451,7 +1451,7 @@ to default Morrowind fonts. Check this box if you still prefer original fonts ov
         <translation>Script à lancer après démarrage :</translation>
     </message>
     <message>
-        <source>Controls the strength of the doppler effect. Zero means it is completely disabled.</source>
+        <source>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Controls the strength of the Doppler effect. Zero means it is completely disabled.&lt;/p&gt;&lt;p&gt;The Doppler effect increases or decreases the pitch of sounds relative to the velocity of the sound source and the listener.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>

files/lang/launcher_ru.ts

@@ -1463,12 +1463,12 @@ to default Morrowind fonts. Check this box if you still prefer original fonts ov
         <translation>Использовать камеру как слушателя</translation>
     </message>
     <message>
-        <source>Controls the strength of the doppler effect. Zero means it is completely disabled.</source>
+        <source>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Controls the strength of the Doppler effect. Zero means it is completely disabled.&lt;/p&gt;&lt;p&gt;The Doppler effect increases or decreases the pitch of sounds relative to the velocity of the sound source and the listener.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
         <source>Doppler Factor</source>
-        <translation type="unfinished"></translation>
+        <translation>Множитель эффекта Доплера</translation>
     </message>
 </context>
 </TS>

files/lang/launcher_sv.ts

@@ -1467,7 +1467,7 @@ de ordinarie fonterna i Morrowind. Bocka denna ruta om du ändå föredrar ordin
         <translation>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Vid aktivering gör denna funktion att övergångarna mellan olika animationer och poser blir mycket mjukare. Funktionen gör det också möjligt att konfigurera animationsövergångarna i YAML-filer. Dessa filer kan buntas ihop tillsammans med nya animationsfiler.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</translation>
     </message>
     <message>
-        <source>Controls the strength of the doppler effect. Zero means it is completely disabled.</source>
+        <source>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Controls the strength of the Doppler effect. Zero means it is completely disabled.&lt;/p&gt;&lt;p&gt;The Doppler effect increases or decreases the pitch of sounds relative to the velocity of the sound source and the listener.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>