diff --git a/src/widgets/util/qsystemtrayicon.cpp b/src/widgets/util/qsystemtrayicon.cpp
index 1e0d2ab857..55814d0e21 100644
--- a/src/widgets/util/qsystemtrayicon.cpp
+++ b/src/widgets/util/qsystemtrayicon.cpp
@@ -323,7 +323,9 @@ bool QSystemTrayIcon::event(QEvent *e)
 
      \value Unknown     Unknown reason
      \value Context     The context menu for the system tray entry was requested
-     \value DoubleClick The system tray entry was double clicked
+     \value DoubleClick The system tray entry was double clicked. \note On macOS, a
+        double click will only be emitted if no context menu is set, since the menu
+        opens on mouse press
      \value Trigger     The system tray entry was clicked
      \value MiddleClick The system tray entry was clicked with the middle mouse button