diff --git a/content/about.md b/content/about.md
index f6cb326..57e0a80 100644
--- a/content/about.md
+++ b/content/about.md
@@ -46,6 +46,7 @@ From a more traditional algorithms perspective, I am also interested in applying
 differential privacy to optimization, machine learning, and mechanism design.
 
 ## Teaching ##
+- **Introduction to the Theory and Design of PL (CS 538)**: [S20](https://pages.cs.wisc.edu/~justhsu/teaching/current/cs538/)
 - **Security and Privacy in Data Science (CS 763)**: [F19](https://pages.cs.wisc.edu/~justhsu/teaching/current/cs763/)
 - **Introduction to the Theory and Design of PL (CS 538)**: [S19](https://pages.cs.wisc.edu/~justhsu/teaching/s19/cs538/)
 - **Topics in Security and Privacy Technologies (CS 839)**: [F18](https://pages.cs.wisc.edu/~justhsu/teaching/f18/cs839/)
diff --git a/content/news.md b/content/news.md
index 1c3dd2e..c5fac48 100644
--- a/content/news.md
+++ b/content/news.md
@@ -1,4 +1,8 @@
-+ **10/2019** **Hypothesis Testing Interpretations and Rényi Differential
++ **01/2020** This spring, I'm teaching an undergraduate course **Introduction
+  to the Theory and Design of Programming Languages (CS 538)**, covering Haskell
+  and Rust. Follow along
+  [here](https://pages.cs.wisc.edu/~justhsu/teaching/current/cs538/)!
++ **01/2020** **Hypothesis Testing Interpretations and Rényi Differential
   Privacy** to appear at **AISTATS 2020**!
 + **01/2020** **Guarded Kleene Algebra with Tests** has been selected as a
   **Distingiushed Paper** at **POPL 2020**.