diff --git a/src/Autofac/Core/Lifetime/LifetimeScopeResources.Designer.cs b/src/Autofac/Core/Lifetime/LifetimeScopeResources.Designer.cs
index aec6684eb..8ea8bbe77 100644
--- a/src/Autofac/Core/Lifetime/LifetimeScopeResources.Designer.cs
+++ b/src/Autofac/Core/Lifetime/LifetimeScopeResources.Designer.cs
@@ -62,7 +62,7 @@ internal class LifetimeScopeResources {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to The tag &apos;{0}&apos; has already been assigned to a parent lifetime scope..
+        ///   Looks up a localized string similar to The tag &apos;{0}&apos; has already been assigned to a parent lifetime scope. If you are using Owned&lt;T&gt; this indicates you may have a circular dependency chain..
         /// </summary>
         internal static string DuplicateTagDetected {
             get {
diff --git a/src/Autofac/Core/Lifetime/LifetimeScopeResources.resx b/src/Autofac/Core/Lifetime/LifetimeScopeResources.resx
index 100efcee7..6148e6bf5 100644
--- a/src/Autofac/Core/Lifetime/LifetimeScopeResources.resx
+++ b/src/Autofac/Core/Lifetime/LifetimeScopeResources.resx
@@ -118,7 +118,7 @@
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <data name="DuplicateTagDetected" xml:space="preserve">
-    <value>The tag '{0}' has already been assigned to a parent lifetime scope.</value>
+    <value>The tag '{0}' has already been assigned to a parent lifetime scope. If you are using Owned&lt;T&gt; this indicates you may have a circular dependency chain.</value>
   </data>
   <data name="ScopeIsDisposed" xml:space="preserve">
     <value>Instances cannot be resolved and nested lifetimes cannot be created from this LifetimeScope as it has already been disposed.</value>