diff --git a/src/teaching/cse-562/2017sp/index.erb b/src/teaching/cse-562/2017sp/index.erb
index 0b331c3d..de29440f 100644
--- a/src/teaching/cse-562/2017sp/index.erb
+++ b/src/teaching/cse-562/2017sp/index.erb
@@ -122,13 +122,19 @@ classContent:
     meta:
       slides: slides/2017-04-20-Checkpoint3.pdf
   - date: Apr. 25
-    topic: Parallel and Distributed Algorithms
+    topic: Parallel Queries
+    meta:
+      slides: slides/2017-04-25-Parallelism.pdf
   - date: Apr. 27
-    topic: Data Warehousing
+    topic: Parallel Updates
+    meta:
+      slides: slides/2017-04-27-ParallelUpdates.pdf
   - date: May. 2
     topic: Probabilistic Databases
+    meta:
+      c-tables: https://github.com/UBOdin/mimir/wiki/Concepts-CTables
   - date: May. 4
-    topic: Spark
+    topic: Probabilistic Databases
   - date: May. 9
     topic: Final Exam Review
   - date: May. 11
diff --git a/src/teaching/cse-562/2017sp/slides/2017-04-25-Parallelism.pdf b/src/teaching/cse-562/2017sp/slides/2017-04-25-Parallelism.pdf
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diff --git a/src/teaching/cse-562/2017sp/slides/2017-04-27-ParallelUpdates.pdf b/src/teaching/cse-562/2017sp/slides/2017-04-27-ParallelUpdates.pdf
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