diff --git a/unit03_hashing/lecture/README.md b/unit03_hashing/lecture/README.md
index c3284e9..35354e0 100644
--- a/unit03_hashing/lecture/README.md
+++ b/unit03_hashing/lecture/README.md
@@ -27,17 +27,13 @@ The key concepts are: MD2. MD4. MD5. SHA-1. Salting. Collisions. Murmur and FNV.
 
 * Week 3 Presentation (PDF) - Hashing: [here](https://github.com/billbuchanan/esecurity/blob/master/unit03_hashing/lecture/chapter03_hashing_authentication.pdf)
 * Week 3 Presentation (video) - Hashing: [here](https://youtu.be/3D11YGD4vFQ)
-<!-- * Unit 3 Presentation (live lecture) - See Teams [here](https://teams.microsoft.com/l/team/19%3ae4651d3846ed4a02ab6284eba8a37836%40thread.tacv2/conversations?groupId=d5c028ee-0450-4370-a9c5-48014fce2ca6&tenantId=99e0dc58-9c4b-4820-8617-04c386c254c6) for morning and evening lecture. -->
+
 
 ## Videos
 The voice over lecture is here:
 
-[![](http://img.youtube.com/vi/3D11YGD4vFQ/0.jpg)](https://www.youtube.com/watch?v=3D11YGD4vFQ "")
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-<!--
-And the classroom lecture from 2020 is here:
-
-[![](http://img.youtube.com/vi/gh2CI5m2W6Y/0.jpg)](https://www.youtube.com/watch?v=gh2CI5m2W6Y "")
--->
+[![](http://img.youtube.com/vi/3D11YGD4vFQ/0.jpg)](https://www.youtube.com/watch?v=RCArDEBXvW0 "")
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