more API.md tweaks

1 files changed, 3 insertions, 1 deletions

diff --git a/API.md b/API.md
index e19729f..9072a22 100644
--- a/API.md
+++ b/API.md
@@ -149,4 +149,6 @@ If your mod never has never used Unified Dyes at all, in short, do the following
 
 * Add the above recipes helper call (which replaces those delted recipes)
 
-If your colored node is based on someone else's neutral node, for example if you made a mod that creates multiple colors of minetest_game's default clay, you may find it best to create a single "stand-in" node that's identical to the neutral node, but named for your mod, hidden from the creative inventory, and has a properly-prepared grayscale texture image in addition to the above keys.  Use the neutral node and the custom hidden node as in the above craft helper call.  Then use minetest.override_item() to add the on_construct and palette keys and the ud_param2_colorable group.
+If your colored node is based on someone else's neutral node, for example if you made a mod that creates multiple colors of minetest_game's default clay, you may find it best to create a single "stand-in" node that's identical to the neutral node, but named for your mod, hidden from the creative inventory, and has a properly-prepared grayscale texture image in addition to the above keys.  Use the neutral node and the custom hidden node as in the above craft helper call.  Then use minetest.override_item() to add the on_construct and palette keys and the ud_param2_colorable group to that "someone else's" node.
+
+* You will need to write a run-only-once LBM to convert your old statically-colored nodes to use hardware coloring.  See above for functions that will help reduce the work required for this part.