diff --git a/selfdrive/ui/layouts/home.py b/selfdrive/ui/layouts/home.py
index 0fa91da552..f70b8e0209 100644
--- a/selfdrive/ui/layouts/home.py
+++ b/selfdrive/ui/layouts/home.py
@@ -169,6 +169,7 @@ class HomeLayout(Widget):
     self._render_right_column()
 
   def _render_update_view(self):
+    # TODO: why function?
     self.update_alert.render(self.content_rect)
 
   def _render_alerts_view(self):