diff --git a/calldata/README.md b/calldata/README.md
index 893f582..1151482 100644
--- a/calldata/README.md
+++ b/calldata/README.md
@@ -23,4 +23,5 @@
 
 <br>
 
-* [mev memoirs in the arena, by noxx](https://noxx.substack.com/p/mev-memoirs-into-the-arena-chapter?s=r)
+* [mev memoirs in the arena part 1, by noxx](https://noxx.substack.com/p/mev-memoirs-into-the-arena-chapter?s=r)
+* [mev memoirs in the arena part 2, by noxx](https://noxx.substack.com/p/mev-memoirs-into-the-arena-chapter-3e9)