diff --git a/.outline.md b/.outline.md
index 2984ddf..7054354 100644
--- a/.outline.md
+++ b/.outline.md
@@ -40,7 +40,7 @@
         2. UUPS
         3. Diamond
 16. [Hardhat DAOs]()
-17. [Hardhat Security]
+17. [Hardhat Security]()
     1. Reentrancy
     2. Flash Loans Attacks
 18. [Low Level, Assembly/Yul, and Gas Optimizations]()