diff --git a/teaching/2024/cs522/index.md b/teaching/2024/cs522/index.md
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@@ -15,6 +15,8 @@ To be used rarely, only when not available (traveling or sick).  Or for office h
 
 [https://illinois.zoom.us/j/2172447431?pwd=dEtxWmdJR0FYOElUa1ZLL2RJRzdZUT09](https://illinois.zoom.us/j/2172447431?pwd=dEtxWmdJR0FYOElUa1ZLL2RJRzdZUT09)
 
+[Jan 23](https://illinois.zoom.us/rec/share/Qb0Bwcu7Ow04XuUKsHti894PgwRmQhZcC5e-FP5y05NdKHVMJU9irvQw0UfNeSfT.RONFV3eANEMYo4dq)
+
 ## Course Description {#course_description}
 
 CS522 is an advanced course on semantics of programming languages.