diff --git a/content/notes/comp-210.md b/content/notes/comp-210.md
index a251be99e..4dc035927 100644
--- a/content/notes/comp-210.md
+++ b/content/notes/comp-210.md
@@ -32,4 +32,5 @@ No final exam
 - [05-cryptography](notes/05-cryptography.md)
 - [06-hashing-binary-public-key-cryptography](notes/06-hashing-binary-public-key-cryptography.md)
 - [07-cryptography-applications](notes/07-cryptography-applications.md)
-- [8-application-security-1](notes/8-application-security-1.md)
\ No newline at end of file
+- [8-application-security-1](notes/8-application-security-1.md)
+- [12-pen-testing](notes/12-pen-testing.md)
\ No newline at end of file