diff --git a/message_test.go b/message_test.go
index fc2d01e..78ccc75 100644
--- a/message_test.go
+++ b/message_test.go
@@ -995,8 +995,8 @@ func TestPackUnpack(t *testing.T) {
 			0x34, 0x32, 0x37, 0x36, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, //F2
 			0x31, 0x34, // Tag for F3
 			0x30, 0x30, // F3 SF1
-			0x31, 0x31, 0x31, 0x31, //F3 SF2 SF1
-			0x31, 0x32, 0x33, 0x34, 0x35, 0x51, //F3 SF2 SF2
+			0x31, 0x31, 0x31, 0x31, //F3 SF2 Subfield 1
+			0x31, 0x32, 0x33, 0x34, 0x35, 0x51, //F3 SF2 Subfield 2
 			0x30, 0x30, // F3 SF3
 		}