diff --git a/lecture/lec11.md b/lecture/lec11.md
index 34bd03a..b4c8fb8 100644
--- a/lecture/lec11.md
+++ b/lecture/lec11.md
@@ -13,4 +13,4 @@ Content by many dedicated Data 100 instructors at UC Berkeley. See our [Acknowle
 - [slides](https://docs.google.com/presentation/d/1-gP234MVUtxIWWKY-8mwhrKUh0OBLEcPXemqOmwkvp0/edit?usp=sharing){:target="_blank"}
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 - [code HTML](../../resources/assets/lectures/lec11/lec11.html){:target="_blank"}
-<!-- - [recording](https://youtu.be/pJvvsQ5v_lo){:target="_blank"} -->
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+- [recording](https://youtu.be/ol0n7L9CczM){:target="_blank"}
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