diff --git a/tests/auto/corelib/text/qstringbuilder/qstringbuilder1/stringbuilder.cpp b/tests/auto/corelib/text/qstringbuilder/qstringbuilder1/stringbuilder.cpp
index dc2aa9eb390..7c3c48aa95d 100644
--- a/tests/auto/corelib/text/qstringbuilder/qstringbuilder1/stringbuilder.cpp
+++ b/tests/auto/corelib/text/qstringbuilder/qstringbuilder1/stringbuilder.cpp
@@ -1,8 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
-// Do not include anything in this file. We are being #included with
-// a bunch of defines that may break other legitimate code.
+// Do not include anything in this file. We are being #included in the unnamed namespace
+// with a bunch of defines that may break other legitimate code.
 
 #define LITERAL "some literal"
 #define LITERAL_LEN (sizeof(LITERAL)-1)