diff --git a/src/modules/stream/ui/graph_module.cpp b/src/modules/stream/ui/graph_module.cpp
index d61a453..8d717aa 100644
--- a/src/modules/stream/ui/graph_module.cpp
+++ b/src/modules/stream/ui/graph_module.cpp
@@ -676,6 +676,7 @@ void BuildingLayoutGraph::graph_module::growth_module(flecs::world &ecs,
 		.each([this](flecs::entity floor_e,
 			     WorldEditor::components::buildings_layout_grid_floor
 				     &fl) {
+			/* TODO: limit growth per region too */
 			struct grid_calc grid(fl.grid_size);
 			if (fl.size_left <= 0)
 				return;