diff --git a/MEV_by_chains/MEV_on_Arbitrum/README.md b/MEV_by_chains/MEV_on_Arbitrum/README.md
index 9659a22..3a4cbbe 100644
--- a/MEV_by_chains/MEV_on_Arbitrum/README.md
+++ b/MEV_by_chains/MEV_on_Arbitrum/README.md
@@ -17,7 +17,7 @@
 
 <br>
 
-* [gmx](gmx.md)
+* [gmx](gmx)
 * [fair order sequencing](fair_ordering_sequencing.md)
 
 <br>