diff --git a/widgets/mainwindow.cpp b/widgets/mainwindow.cpp
index 5ce930f96..ff98fa13a 100644
--- a/widgets/mainwindow.cpp
+++ b/widgets/mainwindow.cpp
@@ -4601,7 +4601,10 @@ void MainWindow::processMessage (DecodedText const& message, Qt::KeyboardModifie
     }
     bool bEU_VHF_w2=(nrpt>=520001 and nrpt<=594000);
     if(bEU_VHF_w2 and SpecOp::EU_VHF!=m_config.special_op_id()) {
-      MessageBox::information_message (this, tr ("Should you switch to EU VHF Contest mode?"));
+      auto const& message = tr("Should you switch to EU VHF Contest mode?\n"
+                               "To do so, check 'Special operating activity' and\n"
+                               "'EU VHF Contest' on the Settings | Advanced tab.");
+      MessageBox::information_message (this, message);
     }
 
     QStringList t=message.string().split(' ', QString::SkipEmptyParts);