diff --git a/content/homework/project.mdx b/content/homework/project.mdx
index 4185e8a..c6b8aff 100644
--- a/content/homework/project.mdx
+++ b/content/homework/project.mdx
@@ -160,7 +160,7 @@ Some relevant course material:
     * [Slides](https://www.seas.upenn.edu/~cis1951/lectures/09-data-persistence/slides.pdf)
     * [Code](https://github.com/cis1951/lec9-code)
 * Lecture 11: App Design & UX
-    * Slides TBA
+    * [Slides](https://www.seas.upenn.edu/~cis1951/lectures/11-app-design-and-ux/slides.pdf)
 * [Other Resources](https://www.seas.upenn.edu/~cis1951/resources/)
 * [Course GitHub](https://github.com/cis1951)