diff --git a/BN14.md b/BN14.md
index 32f6d8030..f502b13ec 100644
--- a/BN14.md
+++ b/BN14.md
@@ -22,3 +22,5 @@ An equation like this represents one part of the BN. Players will be presented w
 Every equation contributes to completing the BN faster.
 
 I need equations that test many different aspect of "math culture", it can be chaos theory, quantum mechanic, weird polynomials, etc.
+
+All variable purchasing will be scriptable.