diff --git a/MEV_searchers/order_flows/README.md b/MEV_searchers/order_flows/README.md
index 3ab5ec7..694c965 100644
--- a/MEV_searchers/order_flows/README.md
+++ b/MEV_searchers/order_flows/README.md
@@ -1,5 +1,11 @@
## order flows
+
+
+### tl; dr
+
+* *["orderflow nontoxic is when expected future price does not change given the order’s existence; that is, the trade provides no predictive signal for the expected price in the future."](https://xenophonlabs.com/papers/uniswap_valuing_orderflow.pdf)*
+