diff --git a/src/Gui/ToolBarManager.cpp b/src/Gui/ToolBarManager.cpp
index 9dc81a36d8..152cf2562c 100644
--- a/src/Gui/ToolBarManager.cpp
+++ b/src/Gui/ToolBarManager.cpp
@@ -183,7 +183,9 @@ void ToolBarManager::setup(ToolBarItem* toolBarItems)
     if (!_ActionWidget) {
         _ActionWidget = new QWidget(getMainWindow());
         _ActionWidget->setObjectName(QStringLiteral("_fc_action_widget_"));
-		/* Although _ActionWidget has zero size, it somehow has a
+		/* TODO This is a temporary hack until a longterm solution
+		is found, thanks to @realthunder for this pointer.
+		Although _ActionWidget has zero size, it somehow has a
 		'phantom' size without any visible content and will block the top
 		left tool buttons and menus of the application main window.
 		Therefore it is moved out of the way. */