diff --git a/src/widgets/dialogs/qmessagebox.cpp b/src/widgets/dialogs/qmessagebox.cpp
index fce8fb9074..e2e15870db 100644
--- a/src/widgets/dialogs/qmessagebox.cpp
+++ b/src/widgets/dialogs/qmessagebox.cpp
@@ -1736,10 +1736,9 @@ void QMessageBox::aboutQt(QWidget *parent, const QString &title)
     translatedTextAboutQtText = QMessageBox::tr(
         "<p>Qt is a C++ toolkit for cross-platform application "
         "development.</p>"
-        "<p>Qt provides single-source portability across MS&nbsp;Windows, "
-        "Mac&nbsp;OS&nbsp;X, Linux, and all major commercial Unix variants. "
-        "Qt is also available for embedded devices as Qt for Embedded Linux "
-        "and Qt for Windows CE.</p>"
+        "<p>Qt provides single-source portability across all major desktop "
+        "operating systems. It is also available for embedded Linux and other "
+        "embedded and mobile operating systems.</p>"
         "<p>Qt is available under three different licensing options designed "
         "to accommodate the needs of our various users.</p>"
         "<p>Qt licensed under our commercial license agreement is appropriate "
@@ -1748,9 +1747,8 @@ void QMessageBox::aboutQt(QWidget *parent, const QString &title)
         "comply with the terms of the GNU LGPL version 2.1 or GNU GPL version "
         "3.0.</p>"
         "<p>Qt licensed under the GNU LGPL version 2.1 is appropriate for the "
-        "development of Qt applications (proprietary or open source) provided "
-        "you can comply with the terms and conditions of the GNU LGPL version "
-        "2.1.</p>"
+        "development of Qt applications provided you can comply with the terms "
+        "and conditions of the GNU LGPL version 2.1.</p>"
         "<p>Qt licensed under the GNU General Public License version 3.0 is "
         "appropriate for the development of Qt applications where you wish to "
         "use such applications in combination with software subject to the "
@@ -1758,7 +1756,11 @@ void QMessageBox::aboutQt(QWidget *parent, const QString &title)
         "to comply with the terms of the GNU GPL version 3.0.</p>"
         "<p>Please see <a href=\"http://qt.digia.com/Product/Licensing/\">qt.digia.com/Product/Licensing</a> "
         "for an overview of Qt licensing.</p>"
-        "<p>Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).</p>"
+        "<p>Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies) and other "
+        "contributors.</p>"
+        "<p>Qt and the Qt logo are trademarks of Digia Plc and/or its subsidiary(-ies).</p>"
+        "<p>Qt is developed as an open source project on "
+        "<a href=\"http://qt-project.org/\">qt-project.org</a>.</p>"
         "<p>Qt is a Digia product. See <a href=\"http://qt.digia.com/\">qt.digia.com</a> "
         "for more information.</p>"
         );