diff --git a/Controls/AudioDock.xaml b/Controls/AudioDock.xaml
index 7943ddb..2c74c56 100644
--- a/Controls/AudioDock.xaml
+++ b/Controls/AudioDock.xaml
@@ -82,9 +82,13 @@
                             <Border Background="{StaticResource Brush.SurfaceContainerHighest}" CornerRadius="{StaticResource Radius.Sm}" Padding="5,1">
                                 <TextBlock Text="GAME / PC" FontSize="9" FontWeight="Bold" Foreground="{StaticResource Brush.OnSurfaceVariant}"/>
                             </Border>
+                            <!-- TRAX plays through the default device, so the loopback bed carries it:
+                                 this ladder shows everything the viewer hears from the desktop,
+                                 music included. The TRAX bay's ladder is a tap on the player. -->
                             <TextBlock Grid.Column="1" Margin="6,0,0,0" FontSize="11" VerticalAlignment="Center"
                                        TextTrimming="CharacterEllipsis" Foreground="{StaticResource Brush.OnSurfaceVariant}"
-                                       Text="Desktop loopback"/>
+                                       Text="Desktop loopback · incl. TRAX"
+                                       ToolTip="Everything playing on the desktop — including TRAX, which rides the same device."/>
                             <!-- The duck badge only exists while the duck is happening, and it carries
                                  the gain the mixer actually applied. -->
                             <Border Grid.Column="2" Background="{StaticResource Brush.SurfaceContainerHighest}"