diff --git a/README.md b/README.md
index ee320e5..97eb378 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@ Special concepts
 * relationships betwen dates (order, request, ship) and apply that mix to a new month
 * apply a base mix of promo codes and terms codes to a new month of forecast where there is no existing baseline to pull from
 * effects of building baselines off of original, or all changes so far
+* pricing and units
 
 Slowness Options
 * move json to a separate table and the change can be marked with a sequence