diff --git a/src/SUMMARY.md b/src/SUMMARY.md
index 2c31f26..c58f913 100644
--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -25,7 +25,7 @@
   - [xAsset Bridge](./wormhole/7_xAssetBridge.md)
   - [Wormchain](./wormhole/8_wormchain.md)
 
-- [Security](./wormhole/12_security.md)
+- [Security](./wormhole/security.md)
 
 - [xDapp Design](./dapps/architecture/0_dappDesign.md)
 
diff --git a/src/wormhole/12_security.md b/src/wormhole/security.md
similarity index 100%
rename from src/wormhole/12_security.md
rename to src/wormhole/security.md