diff --git a/secop/gui/mainwindow.py b/secop/gui/mainwindow.py
index 11d417e..d478534 100644
--- a/secop/gui/mainwindow.py
+++ b/secop/gui/mainwindow.py
@@ -140,7 +140,7 @@ class MainWindow(QMainWindow):
     @pyqtSlot()
     def on_actionAdd_SEC_node_triggered(self):
         host, ok = QInputDialog.getText(self, 'Add SEC node',
-                                        'Enter SEC node hostname:')
+                                        'Enter SEC node URI (or just hostname:port):')
 
         if not ok:
             return