diff --git a/src/frontends/qt/Menus.cpp b/src/frontends/qt/Menus.cpp
index 266fb68d30..749d4c46e5 100644
--- a/src/frontends/qt/Menus.cpp
+++ b/src/frontends/qt/Menus.cpp
@@ -987,7 +987,7 @@ void MenuDefinition::expandDocuments()
 	MenuItem item(MenuItem::Submenu, qt_("Hidden|H"));
 	item.setSubmenu(MenuDefinition(qt_("Hidden|H")));
 
-	Buffer * first = theBufferList().first();
+	Buffer * const first = theBufferList().first();
 	if (!first) {
 		add(MenuItem(MenuItem::Info, qt_("(No Documents Open)")));
 		return;
@@ -1005,7 +1005,7 @@ void MenuDefinition::expandDocuments()
 		if (!b.isClean())
 			label += "*";
 		if (b.notifiesExternalModification())
-			label += QChar(0x26a0);
+			label += QChar(0x26a0); // warning sign ⚠
 		if (i < 10)
 			label = QString::number(i) + ". " + label + '|' + QString::number(i);
 		add(MenuItem(MenuItem::Command, label,