diff --git a/frontend_qt4/mainwindow.cpp b/frontend_qt4/mainwindow.cpp
index 8e405f4a..0c4318d5 100644
--- a/frontend_qt4/mainwindow.cpp
+++ b/frontend_qt4/mainwindow.cpp
@@ -173,9 +173,10 @@ void MainWindow::about()
 					   "<p>A free barcode generator"
 					   "<p>Instruction manual is available from Sourceforge:"
 					   "<p>http://www.sourceforge.net/projects/zint"
-					   "<p>Copyright &copy; 2011 Robin Stuart.<br>"
+					   "<p>Copyright &copy; 2006-2016 Robin Stuart.<br>"
 					   "Qt4 code by BogDan Vatra, MS Windows port by \"tgotic\".<br>"
-					   "With thanks to Norbert Szab&oacute;, and Robert Elliott."
+					   "With thanks to Norbert Szab&oacute;, Robert Elliott,"
+                                           "Harald Oehlmann and many others at Sourceforge."
 					   "<p>Released under the GNU General Public License ver. 3 or later.<br>"
 					   "\"QR Code\" is a Registered Trademark of Denso Corp.<br>"
 					   "\"Telepen\" is a Registered Trademark of SB Electronics."