diff --git a/MEV_and_trading/high_frequency/README.md b/MEV_and_trading/high_frequency/README.md
index bbcaf79..50b27a8 100644
--- a/MEV_and_trading/high_frequency/README.md
+++ b/MEV_and_trading/high_frequency/README.md
@@ -13,12 +13,13 @@
 
 ---
 
-### projects an protocols
+### projects and protocols
 
 <br>
 
 
 * [check stat arb for searchers](https://github.com/go-outside-labs/mev-toolkit/tree/main/MEV_strategies/stat_arbs)
+* [building a scalable event scanner for ethereum](https://mirror.xyz/steinkirch.eth/vSF18xcLyfXLIWwxjreRa3I_XskwgnjSc6pScegNJWI)
 
 <br>