diff --git a/slides/cse4562sp2018/2018-03-05-CostBasedOptimization2.html b/slides/cse4562sp2018/2018-03-05-CostBasedOptimization2.html
index 7b8c80be..4d59a1d0 100644
--- a/slides/cse4562sp2018/2018-03-05-CostBasedOptimization2.html
+++ b/slides/cse4562sp2018/2018-03-05-CostBasedOptimization2.html
@@ -51,7 +51,7 @@
       <section>
         <h1>Cost Based Optimization</h1>
         <h3>CSE 4/562 – Database Systems</h3>
-        <h5>February 28, 2018</h5>
+        <h5>March 5-7, 2018</h5>
       </section>
       <!-- ============================================ -->