diff --git a/MEV_on_Arbitrum/README.md b/MEV_on_Arbitrum/README.md
index a771326..40a3af8 100644
--- a/MEV_on_Arbitrum/README.md
+++ b/MEV_on_Arbitrum/README.md
@@ -4,4 +4,4 @@
 
 ### resources
 
-* [Transaction ordering policy](https://research.arbitrum.io/t/transaction-ordering-policy/127
+* [Transaction ordering policy](https://research.arbitrum.io/t/transaction-ordering-policy/127)