diff --git a/_modules/week-03.md b/_modules/week-03.md
index 50d2e4a..c1e79d8 100644
--- a/_modules/week-03.md
+++ b/_modules/week-03.md
@@ -6,7 +6,7 @@ July 1
 : **Lecture 9**{: .label .label-lecture} [Sampling](lecture/lec09)
     : [Note 9](https://ds100.org/course-notes/sampling/sampling.html)
 : **Lab 5**{: .label .label-lab } Transformations (due 7/3)
-: **Discussion 4**{: .label .label-disc } Visualization and Transformation
+: **Discussion 4**{: .label .label-disc } [Visualization and Transformation](https://drive.google.com/file/d/1kk9qeNQ0gBM5nevUujpXCMBGJI7V6n7E/view?usp=sharing)
 
 July 2
 : **Lecture 10**{: .label .label-lecture} Modeling and SLR