diff --git a/chapter_II.md b/chapter_II.md
index 9540189..ec3b2f4 100644
--- a/chapter_II.md
+++ b/chapter_II.md
@@ -20,7 +20,7 @@
 * Usually loo for specific types of transactions in the mempool, such as DEX trade or an oracle update
 
 
---
+---
 
 ## References