diff --git a/cmd/test_prog/main.go b/cmd/test_prog/main.go
index e61a557..21e8d6d 100644
--- a/cmd/test_prog/main.go
+++ b/cmd/test_prog/main.go
@@ -8,5 +8,5 @@ import (
 func main() {
 	prog := make([]byte, 6)
 	cpu := chip8.NewCHIP8(prog)
-	fmt.Printf("This should print out zero: %d\n", cpu.GetGraphicsBuffer()[0])
+	fmt.Printf("This should print out zero: %d!\n", cpu.GetGraphicsBuffer()[0])
 }
\ No newline at end of file