diff --git a/src/IotHub/IotHub/IotHub/DataPlane/Models/PSDevice.cs b/src/IotHub/IotHub/IotHub/DataPlane/Models/PSDevice.cs
index 5050704470ee..3c134f2702c7 100644
--- a/src/IotHub/IotHub/IotHub/DataPlane/Models/PSDevice.cs
+++ b/src/IotHub/IotHub/IotHub/DataPlane/Models/PSDevice.cs
@@ -68,7 +68,7 @@ public class PSDevice
         public DateTime StatusUpdatedTime { get; set; }
 
         /// <summary>
-        /// Time when the <see cref="Device"/> was last active
+        /// Time when the <see cref="PSDevice"/> was last active
         /// </summary>
         [JsonProperty(PropertyName = "lastActivityTime")]
         public DateTime LastActivityTime { get; set; }
diff --git a/src/IotHub/IotHub/IotHub/DataPlane/Models/PSDeviceTwin.cs b/src/IotHub/IotHub/IotHub/DataPlane/Models/PSDeviceTwin.cs
index 03624af78a24..b6ba75ad87fa 100644
--- a/src/IotHub/IotHub/IotHub/DataPlane/Models/PSDeviceTwin.cs
+++ b/src/IotHub/IotHub/IotHub/DataPlane/Models/PSDeviceTwin.cs
@@ -81,7 +81,7 @@ public class PSDeviceTwin
         public DateTime StatusUpdatedTime { get; set; }
 
         /// <summary>
-        /// Time when the <see cref="Device"/> was last active.
+        /// Time when the <see cref="PSDevice"/> was last active.
         /// </summary>
         [JsonProperty(DefaultValueHandling = DefaultValueHandling.IgnoreAndPopulate)]
         public DateTime LastActivityTime { get; set; }
diff --git a/src/IotHub/IotHub/IotHub/DataPlane/Models/PSModule.cs b/src/IotHub/IotHub/IotHub/DataPlane/Models/PSModule.cs
index 75d492e1da64..47701b2e0bb5 100644
--- a/src/IotHub/IotHub/IotHub/DataPlane/Models/PSModule.cs
+++ b/src/IotHub/IotHub/IotHub/DataPlane/Models/PSModule.cs
@@ -56,7 +56,7 @@ public class PSModule
         public DateTime ConnectionStateUpdatedTime { get; set; }
 
         /// <summary>
-        /// Time when the <see cref="Device"/> was last active
+        /// Time when the <see cref="PSDevice"/> was last active
         /// </summary>
         [JsonProperty(PropertyName = "lastActivityTime")]
         public DateTime LastActivityTime { get; set; }