Small Editor quit confirmation message wording change

src/editor/controller/editor_controller.cpp

@@ -211,7 +211,7 @@ bool editor_controller::quit_confirm()
 	if (amount == 0) {
 		message = _("Do you really want to quit?");
 	} else if (amount == 1) {
-		message = _("Do you really want to quit? Changes in the map since the last save will be lost.");
+		message = _("Do you really want to quit? Changes to this map since the last save will be lost.");
 	} else {
 		message = _("Do you really want to quit? The following maps were modified and all changes since the last save will be lost:");
 		message += "\n" + modified;