diff --git a/advanced_expert/vulnerabilities/reentrancy_attacks/README.md b/advanced_expert/vulnerabilities/reentrancy_attacks/README.md
index 625b03c..d9c0763 100644
--- a/advanced_expert/vulnerabilities/reentrancy_attacks/README.md
+++ b/advanced_expert/vulnerabilities/reentrancy_attacks/README.md
@@ -1,6 +1,7 @@
## reentrancy attacks
+
@@ -73,6 +74,14 @@ function withdrawBalance() public noReentrant { #### Option 2: CEI (checks effects interaction) pattern +
+ +
+ +