diff --git a/main.go b/main.go
index adb0c0dabadeed206b52c35d7e121e602d59ce06..b371d3393778aab407760127fa3f4532e97bb638 100644
--- a/main.go
+++ b/main.go
@@ -7,3 +7,6 @@ import "fmt"
 func main() {
 	fmt.Println("hello from dogfood-1")
 }
+
+// touchedByPRTest is a marker so the diff isn't trivial.
+const touchedByPRTest = true