diff --git a/Timestamp/AddTimestamp.cs b/Timestamp/AddTimestamp.cs
index a356b02..117df97 100644
--- a/Timestamp/AddTimestamp.cs
+++ b/Timestamp/AddTimestamp.cs
@@ -43,6 +43,7 @@ public override bool Execute()
         void CreateTempAssemblyInfo()
         {
             var timestampAttributeUsage = string.Format(@"
+// <auto-generated/>
 using Timestamp;
 [assembly: Timestamp(""{0}"")]