diff --git a/Smart-Contract-Security/README.md b/Smart-Contract-Security/README.md
index c05fad5..5d4792e 100644
--- a/Smart-Contract-Security/README.md
+++ b/Smart-Contract-Security/README.md
@@ -7,9 +7,13 @@ In this directory:
 <br>
 
 
-* [Notes on reentrancy](https://github.com/bt3gl-labs/Blockchain-Development-and-Security/blob/main/Smart-Contract-Security/reentrancy-notes.md)
-* [Notes on arithmetic bugs](https://github.com/bt3gl-labs/Blockchain-Development-and-Security/blob/main/Smart-Contract-Security/arithmetic-bugs-notes.md)
-* [List of interesting hacks](https://github.com/bt3gl-labs/Blockchain-Development-and-Security/blob/main/Smart-Contract-Security/real-case-hacks.md)
-* [A guide for pentesting](https://github.com/bt3gl-labs/Blockchain-Development-and-Security/blob/main/Smart-Contract-Security/pentesting.md)
-* [Random security notes](https://github.com/bt3gl-labs/Blockchain-Development-and-Security/blob/main/Smart-Contract-Security/random-notes.md)
+* [Notes on reentrancy](reentrancy-notes.md)
+* [Notes on arithmetic bugs](arithmetic-bugs-notes.md)
+* [Notes on DDoS](ddos-notes.md)
+
+<br>
+
+
+* [A guide for pentesting](pentesting.md)
+* [Random security notes](random-notes.md)
 * [ERC-20 things](erc-20-things.md)