diff --git a/README.md b/README.md
index ccffdba..8575d3d 100644
--- a/README.md
+++ b/README.md
@@ -89,6 +89,8 @@ Presentations, M$Word etc, without requiring a major rework.
 
 ## Pen testing 101
 
+ - [Path Poisoning and SUID](Tutorials/Permissions.md) Walkthrough of level18 of Linux Trainer
+
 ## Cheat Sheets
 
 ## Other Interesting Things.