diff --git a/mods/default/trees.lua b/mods/default/trees.lua
index 71e8b621..c9f94120 100644
--- a/mods/default/trees.lua
+++ b/mods/default/trees.lua
@@ -594,7 +594,7 @@ register_sapling_growth("acacia_bush_sapling", default.grow_acacia_bush)
 register_sapling_growth("pine_bush_sapling", default.grow_pine_bush)
 register_sapling_growth("emergent_jungle_sapling", default.grow_new_emergent_jungle_tree)
 
--- TODO: Is it correct for this to omit some saplings?
+-- Backwards compatibility for saplings that used to use ABMs; does not need to include newer saplings.
 minetest.register_lbm({
 	name = "default:convert_saplings_to_node_timer",
 	nodenames = {"default:sapling", "default:junglesapling",