diff --git a/touch/idl/org/libreoffice/touch/Document.idl b/touch/idl/org/libreoffice/touch/Document.idl
index b17fcbf4ad61..78582b54b8ea 100644
--- a/touch/idl/org/libreoffice/touch/Document.idl
+++ b/touch/idl/org/libreoffice/touch/Document.idl
@@ -1,10 +1,11 @@
-// -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
-
-// This file is part of the LibreOffice project.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License 2.0. If a copy of the MPL was not distributed with this
-// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 
 #ifndef org_libreoffice_touch_Document_idl
 #define org_libreoffice_touch_Document_idl
@@ -22,4 +23,4 @@ service Document:
 
 #endif
 
-// vim:set shiftwidth=4 softtabstop=4 expandtab:
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/touch/idl/org/libreoffice/touch/XDocument.idl b/touch/idl/org/libreoffice/touch/XDocument.idl
index 03f78009de20..3d61160fd3cc 100644
--- a/touch/idl/org/libreoffice/touch/XDocument.idl
+++ b/touch/idl/org/libreoffice/touch/XDocument.idl
@@ -1,10 +1,11 @@
-// -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
-
-// This file is part of the LibreOffice project.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License 2.0. If a copy of the MPL was not distributed with this
-// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 
 #ifndef org_libreoffice_touch_XDocument_idl
 #define org_libreoffice_touch_XDocument_idl
@@ -72,4 +73,4 @@ interface XDocument: com::sun::star::uno::XInterface
 
 #endif
 
-// vim:set shiftwidth=4 softtabstop=4 expandtab:
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/touch/idl/org/libreoffice/touch/XDocumentRenderCallback.idl b/touch/idl/org/libreoffice/touch/XDocumentRenderCallback.idl
index 9be51cfb9566..3b3f0b004937 100644
--- a/touch/idl/org/libreoffice/touch/XDocumentRenderCallback.idl
+++ b/touch/idl/org/libreoffice/touch/XDocumentRenderCallback.idl
@@ -1,10 +1,11 @@
-// -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
-
-// This file is part of the LibreOffice project.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License 2.0. If a copy of the MPL was not distributed with this
-// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 
 #ifndef org_libreoffice_touch_XDocumentRenderCallback_idl
 #define org_libreoffice_touch_XDocumentRenderCallback_idl
@@ -52,4 +53,4 @@ interface XDocumentRenderCallback: com::sun::star::uno::XInterface
 
 #endif
 
-// vim:set shiftwidth=4 softtabstop=4 expandtab:
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */