diff --git a/about.cpp b/about.cpp
index e69596f51..5075868b4 100644
--- a/about.cpp
+++ b/about.cpp
@@ -16,7 +16,7 @@ CAboutDlg::CAboutDlg(QString const& program_title, QWidget *parent) :
                          "&copy; 2001-2014 by Joe Taylor, K1JT, with grateful <br>"
                          "acknowledgment for contributions from AC6SL, AE4JY, <br>"
                          "DJ0OT, G4KLA, G4WJS, K3WYC, KA6MAL, KA9Q, KB1ZMX, <br>"
-                         "KK1D, PY2SDR, VK3ACF, VK4BDJ, W4TI, and W4TV.<br>");
+                         "KK1D, PY2SDR, VK3ACF, VK4BDJ, W4TI, W4TV, and W9MDB.<br>");
 }
 
 CAboutDlg::~CAboutDlg()