diff --git a/sys/src/cmd/aux/realemu/xec.c b/sys/src/cmd/aux/realemu/xec.c
index e4968c52e..3371f21f6 100644
--- a/sys/src/cmd/aux/realemu/xec.c
+++ b/sys/src/cmd/aux/realemu/xec.c
@@ -932,9 +932,9 @@ opcpuid(Cpu *cpu, Inst *)
 	} tab[] = {
 		0,
 			5,
-			0x756e6547,
-			0x49656e69,
-			0x6c65746e,
+			0x756e6547, /* Genu */
+			0x6c65746e, /* ntel */
+			0x49656e69, /* ineI */
 		1,
 			4<<8,
 			0x00000000,