diff --git a/collections_beta/inca_fuel/economy.md b/collections_beta/inca_fuel/economy.md
index dc478b8..d23f823 100644
--- a/collections_beta/inca_fuel/economy.md
+++ b/collections_beta/inca_fuel/economy.md
@@ -1,2 +1,3 @@
 # Economy
 
+We present the overall economy of the grid and the interactions between the different tokens that are part of the ecosystem.
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