diff --git a/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControlMessengerWithSubscriptions.cs b/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControlMessengerWithSubscriptions.cs
index e6365571..8603d5b6 100644
--- a/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControlMessengerWithSubscriptions.cs
+++ b/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControlMessengerWithSubscriptions.cs
@@ -4,7 +4,7 @@ using PepperDash.Core;
 namespace PepperDash.Essentials.Core.DeviceTypeInterfaces
 {
   /// <summary>
-  /// Defines the contract for IMobileControlMessenger
+  /// Obsolete: messengers are subscription based by default; use IMobileControlMessenger instead.
   /// </summary>
   [Obsolete("This interface is obsolete and will be removed in a future version. All messengers are now subscription based.")]
   public interface IMobileControlMessengerWithSubscriptions : IMobileControlMessenger