diff --git a/src/PepperDash.Essentials.MobileControl.Messengers/Messengers/DeviceStateMessageBase.cs b/src/PepperDash.Essentials.MobileControl.Messengers/Messengers/DeviceStateMessageBase.cs
index 4241b69c..c5c0ab65 100644
--- a/src/PepperDash.Essentials.MobileControl.Messengers/Messengers/DeviceStateMessageBase.cs
+++ b/src/PepperDash.Essentials.MobileControl.Messengers/Messengers/DeviceStateMessageBase.cs
@@ -13,7 +13,7 @@ namespace PepperDash.Essentials.AppServer.Messengers
     /// The interfaces implmented by the device sending the messsage
     /// </summary>
     [JsonProperty("interfaces", NullValueHandling = NullValueHandling.Ignore)]
-    [Obsolete("Interfaces is no longer supported and will be removed in a future release.  Interfaces for all devices are now retrieved via the /joinroom endpoint in the MobileControlWebsocketServer")]
+    [Obsolete("Interfaces are no longer supported and will be removed in a future release. Interfaces for all devices are now retrieved via the /joinroom endpoint in the MobileControlWebsocketServer")]
     public List<string> Interfaces { get; private set; }
 
     /// <summary>