diff --git a/type.go b/type.go
index fa842de..45f6a22 100644
--- a/type.go
+++ b/type.go
@@ -12,8 +12,8 @@
 	var b1 B = 1
 	fmt.Printf("%d %d %d %d %d\n", i, int64(a1), a1, a2, b1)
 	fmt.Printf("a1 == 1: %+v\n", a1 == 1)
-	//fmt.Printf("a1 == i: %+v\n", a1 == i)
+	//fmt.Printf("a1 == i: %+v\n", a1 == i) // build error
 	fmt.Printf("int64(a1) == i: %+v\n", int64(a1) == i)
 	fmt.Printf("a1 == a2: %+v\n", a1 == a2)
-	//fmt.Printf("a1 == b1: %+v\n", a1 == b1)
+	//fmt.Printf("a1 == b1: %+v\n", a1 == b1) // build error
 }