diff --git a/lecture/lec28.md b/lecture/lec28.md
index 3b1f771..208ca14 100644
--- a/lecture/lec28.md
+++ b/lecture/lec28.md
@@ -11,6 +11,6 @@ Presented by Joseph E. Gonzalez
 Content by many dedicated Data 100 instructors at UC Berkeley. See our [Acknowledgments](../../acks) page.
 
 - [slides](https://docs.google.com/presentation/d/1f6-eAWfBk_lev8rktvAwBredlpzCTtcNDKZok0V-9XQ/edit?usp=sharing){:target="_blank"}
-- [Intro to LLMs](../resources/assets/lectures/lec28/intro_to_LLMs_fa24.pdf)
+- [Intro to LLMs](https://drive.google.com/file/d/1zosZcaQdv0PBaNDXpUUbnSa5qm8SijzQ/view?usp=sharing)
 - [code](https://data100.datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https%3A%2F%2Fgithub.com%2FDS-100%2Ffa24-student&urlpath=lab%2Ftree%2Ffa24-student%2Flecture%2Flec28%2FLec28.ipynb&branch=main){:target="_blank"}
 - [code HTML](../../resources/assets/lectures/lec28/lec28.html)