diff --git a/src/Core/ZB.MOM.WW.OtOpcUa.Core.Scripting.Abstractions/ScriptContext.cs b/src/Core/ZB.MOM.WW.OtOpcUa.Core.Scripting.Abstractions/ScriptContext.cs
index e293ff98..b4fdf3cd 100644
--- a/src/Core/ZB.MOM.WW.OtOpcUa.Core.Scripting.Abstractions/ScriptContext.cs
+++ b/src/Core/ZB.MOM.WW.OtOpcUa.Core.Scripting.Abstractions/ScriptContext.cs
@@ -82,7 +82,8 @@ public abstract class ScriptContext
 
     /// <summary>
     ///     The current run's cancellation token. The run guard cancels it when the run exceeds its wall-clock
-    ///     budget, so a long-running script can poll <c>ctx.CancellationToken.IsCancellationRequested</c> (or call
+    ///     budget, and it is linked to the caller's token, so it is also cancelled when the caller cancels (host
+    ///     shutdown, an actor stopping mid-run). A long-running script can poll <c>ctx.CancellationToken.IsCancellationRequested</c> (or call
     ///     <c>ThrowIfCancellationRequested()</c>) and end its own abandoned run instead of holding a pool thread
     ///     until it returns. Cooperative only: a script that never looks at it still runs to completion as an
     ///     orphan. <see cref="CancellationToken.None"/> outside a run.