diff --git a/src/teaching/cse-562/2017sp/index.erb b/src/teaching/cse-562/2017sp/index.erb
index 15d0720b..080410c5 100644
--- a/src/teaching/cse-562/2017sp/index.erb
+++ b/src/teaching/cse-562/2017sp/index.erb
@@ -46,12 +46,20 @@ classContent:
       board: slides/2017-02-21-Board.pdf
   - date: Feb. 23
     topic: Joins and Join Algorithms
+    meta: 
+      notes: slides/2017-02-23-GBAgg+Joins.pdf
+      board: slides/2017-02-23-Board.pdf
   - date: Feb. 28
     topic: Relational Algebra and Optimization
+    meta:
+      notes: slides/2017-02-28-RelationalAlgebra.pdf
+      board: slides/2017-02-28-Board.pdf
   - date: Mar. 2
-    topic: Relational Algebra and Optimization
+    topic: Optimization
+    meta: 
+      notes: slides/2017-03-02-Optimization1.pdf
   - date: Mar. 7
-    topic: Cost-Based Optimization
+    topic: Database Statistics
   - date: Mar. 9
     topic: Materialized Views and Columnar Databases
   - date: Mar. 14
diff --git a/src/teaching/cse-562/2017sp/slides/2017-02-23-Board.pdf b/src/teaching/cse-562/2017sp/slides/2017-02-23-Board.pdf
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diff --git a/src/teaching/cse-562/2017sp/slides/2017-02-28-RelationalAlgebra.pdf b/src/teaching/cse-562/2017sp/slides/2017-02-28-RelationalAlgebra.pdf
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diff --git a/src/teaching/cse-562/2017sp/slides/2017-03-02-Optimization1.pdf b/src/teaching/cse-562/2017sp/slides/2017-03-02-Optimization1.pdf
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