diff --git a/Source/LibationAvalonia/Views/ProcessQueueControl.axaml b/Source/LibationAvalonia/Views/ProcessQueueControl.axaml
index 07b70824..8f27fe45 100644
--- a/Source/LibationAvalonia/Views/ProcessQueueControl.axaml
+++ b/Source/LibationAvalonia/Views/ProcessQueueControl.axaml
@@ -83,7 +83,10 @@
 								Increment="1"
 								FormatString="0" />
 							<!-- Sits in the spare column between the two spinners, and only when this machine
-							     cannot keep up with the number chosen. -->
+							     cannot keep up with the number chosen. That column is whatever the two
+							     spinners leave, so the hint is kept short enough to fit it with room over
+							     rather than sized to it - see ProcessQueueViewModel.ConcurrencyHint. The
+							     trimming below is a backstop, not the plan. -->
 							<TextBlock
 								Grid.Column="2"
 								Classes="settingLabel"
diff --git a/Source/LibationUiBase/ProcessQueue/ProcessQueueViewModel.cs b/Source/LibationUiBase/ProcessQueue/ProcessQueueViewModel.cs
index 98cdc545..85c10efc 100644
--- a/Source/LibationUiBase/ProcessQueue/ProcessQueueViewModel.cs
+++ b/Source/LibationUiBase/ProcessQueue/ProcessQueueViewModel.cs
@@ -124,9 +124,16 @@ public class ProcessQueueViewModel : ReactiveObject
 	/// null when it can. Closes the gap left by bounding the control at the hard limit: the setting
 	/// keeps saying what was asked for, and this says what will happen.
 	/// </summary>
+	/// <remarks>
+	/// Kept short on purpose. It lives in whatever width is left beside the spinners on a 400px
+	/// pane, and the longer wording it replaced ("on this machine") fit on some machines and
+	/// ellipsed to "(4 on this machi..." on others - which left it existing only in the tooltip on
+	/// exactly the machines it was written for. The reason it is smaller than the setting is what
+	/// the tooltip is for; the number is what has to be legible.
+	/// </remarks>
 	public string? ConcurrencyHint
 		=> EffectiveConcurrentDownloads < MaxConcurrentDownloads
-			? $"({EffectiveConcurrentDownloads} on this machine)"
+			? $"({EffectiveConcurrentDownloads} at a time)"
 			: null;
 	public string? RunningTime { get => field; set => RaiseAndSetIfChanged(ref field, value); }
 	public bool ProgressBarVisible { get => field; set => RaiseAndSetIfChanged(ref field, value); }
diff --git a/Source/_Tests/LibationUiBase.Tests/ProcessQueueDispatchTests.cs b/Source/_Tests/LibationUiBase.Tests/ProcessQueueDispatchTests.cs
index c94d68cc..b8d023dc 100644
--- a/Source/_Tests/LibationUiBase.Tests/ProcessQueueDispatchTests.cs
+++ b/Source/_Tests/LibationUiBase.Tests/ProcessQueueDispatchTests.cs
@@ -361,7 +361,7 @@ public class ProcessQueueDispatchTests
 	public void the_hint_says_what_the_machine_will_do_and_is_silent_when_it_can_keep_up()
 	{
 		var queue = new ProcessQueueViewModel { MaxConcurrentDownloads = 8, MachineCeilingOverride = 2 };
-		Assert.AreEqual("(2 on this machine)", queue.ConcurrencyHint);
+		Assert.AreEqual("(2 at a time)", queue.ConcurrencyHint);
 
 		// Nothing to say once the machine can deliver what was asked for.
 		queue.MachineCeilingOverride = 10;
diff --git a/docs/features/parallel-downloads.md b/docs/features/parallel-downloads.md
index 5b959844..1a542af1 100644
--- a/docs/features/parallel-downloads.md
+++ b/docs/features/parallel-downloads.md
@@ -22,7 +22,7 @@ If you are seeing license denials, lowering this number is the first thing to tr
 
 Downloading is limited by Audible, but decrypting is limited by your processor. On a machine with fewer processors than the number you chose, Libation runs fewer books at once — your setting is kept as you left it, so moving the same configuration to a larger machine picks up where you meant it to.
 
-When the two differ, Libation says so next to the setting: Chardonnay shows a note reading **(2 on this machine)**, and Classic puts the same thing in the control's tooltip.
+When the two differ, Libation says so next to the setting: Chardonnay shows a note reading **(2 at a time)**, and Classic puts the same thing in the control's tooltip.
 
 ## Auto-scroll