diff --git a/unit07_tunnelling/lecture/README.MD b/unit07_tunnelling/lecture/README.MD
index d5fb8fd..ae05cf6 100644
--- a/unit07_tunnelling/lecture/README.MD
+++ b/unit07_tunnelling/lecture/README.MD
@@ -7,4 +7,4 @@ This provides an outline of tunnelling, including for SSL/TLS and IPSec:
 
 * Presentation (Lecture): [here](https://youtu.be/fz4eO53kOIU)
 * Presentation (PDF): [here](https://github.com/billbuchanan/esecurity/blob/master/unit07_tunnelling/lecture/unit07_tunnelling.pdf)
-<!-- * Presentation (Video): [here](https://youtu.be/JA9zfKtVwwE) -->
+* Doodle: [here](https://www.youtube.com/watch?v=QEuzoXECf-c)