diff --git a/README.md b/README.md
index d06ce56..27e0415 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,8 @@ happy searching :)
 - `onchain-data/`: analysis of other arbitrage swaps
 - `mainnet-fork/`: fork mainnet account states to test swap input/output estimates
 
+each folder contains a corresponding `README.md` which explains how it works
+
 ## dexs supported 
 - serum 
 - aldrin