diff --git a/MEV_strategies/arbitrage/algorithms/README.md b/MEV_strategies/arbitrage/algorithms/README.md
index d27bf0a..e0f598b 100644
--- a/MEV_strategies/arbitrage/algorithms/README.md
+++ b/MEV_strategies/arbitrage/algorithms/README.md
@@ -2,6 +2,16 @@
 
 <br>
 
+### tl; dr
+
+<br>
+
+
+* multi-edged graph where nodes represent coins and edges represents rates.
+* to find an arb opportunity, find a closed loop of edges for which the product of weights in the edges > 1.
+
+<br>
+
 ### in this
 
 <br>