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index b5141029..3852ee6b 100644
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@@ -51,7 +51,7 @@
       <section>
         <h1>Cost Based Optimization</h1>
         <h3>CSE 4/562 – Database Systems</h3>
-        <h5>February 26, 2018</h5>
+        <h5>February 28, 2018</h5>
       </section>
       <!-- ============================================ -->