diff --git a/Controls/AudioDock.xaml b/Controls/AudioDock.xaml
index 88c84cd..3ef9278 100644
--- a/Controls/AudioDock.xaml
+++ b/Controls/AudioDock.xaml
@@ -56,8 +56,20 @@
                             <TextBlock DockPanel.Dock="Right" Width="56" TextAlignment="Right" FontSize="10"
                                        FontFamily="{StaticResource FontFamily.Mono}" VerticalAlignment="Center"
                                        Foreground="{StaticResource Brush.OnSurfaceVariant}" Text="{Binding MicVolumeDbLabel}"/>
-                            <Slider Minimum="-60" Maximum="6" SmallChange="0.5" LargeChange="3"
-                                    Value="{Binding MicVolumeDb, Mode=TwoWay}" VerticalAlignment="Center"/>
+                            <Grid VerticalAlignment="Center" ToolTip="The tick is 0 dB (unity) — above it you are boosting">
+                                <Slider Minimum="-60" Maximum="6" SmallChange="0.5" LargeChange="3"
+                                        Value="{Binding MicVolumeDb, Mode=TwoWay}" VerticalAlignment="Center"/>
+                                <!-- Unity tick: 60 dB of range below 0 and 6 dB above it, so the marker
+                                     sits at 60/66 — it makes the last stretch read as boost, not dead track. -->
+                                <Grid IsHitTestVisible="False">
+                                    <Grid.ColumnDefinitions>
+                                        <ColumnDefinition Width="60*"/>
+                                        <ColumnDefinition Width="6*"/>
+                                    </Grid.ColumnDefinitions>
+                                    <Rectangle Grid.Column="0" Width="1" HorizontalAlignment="Right"
+                                               Fill="{StaticResource Brush.Outline}"/>
+                                </Grid>
+                            </Grid>
                         </DockPanel>
                     </Grid>
                 </Border>
@@ -104,8 +116,18 @@
                             <TextBlock DockPanel.Dock="Right" Width="56" TextAlignment="Right" FontSize="10"
                                        FontFamily="{StaticResource FontFamily.Mono}" VerticalAlignment="Center"
                                        Foreground="{StaticResource Brush.OnSurfaceVariant}" Text="{Binding GameVolumeDbLabel}"/>
-                            <Slider Minimum="-60" Maximum="6" SmallChange="0.5" LargeChange="3"
-                                    Value="{Binding GameVolumeDb, Mode=TwoWay}" VerticalAlignment="Center"/>
+                            <Grid VerticalAlignment="Center" ToolTip="The tick is 0 dB (unity) — above it you are boosting">
+                                <Slider Minimum="-60" Maximum="6" SmallChange="0.5" LargeChange="3"
+                                        Value="{Binding GameVolumeDb, Mode=TwoWay}" VerticalAlignment="Center"/>
+                                <Grid IsHitTestVisible="False">
+                                    <Grid.ColumnDefinitions>
+                                        <ColumnDefinition Width="60*"/>
+                                        <ColumnDefinition Width="6*"/>
+                                    </Grid.ColumnDefinitions>
+                                    <Rectangle Grid.Column="0" Width="1" HorizontalAlignment="Right"
+                                               Fill="{StaticResource Brush.Outline}"/>
+                                </Grid>
+                            </Grid>
                         </DockPanel>
 
                     </Grid>