diff --git a/src/people/william_spoth.md b/src/people/william_spoth.md
old mode 100755
new mode 100644
diff --git a/src/teaching/cse-562/2019sp/index.erb b/src/teaching/cse-562/2019sp/index.erb
index 74cae066..af45b526 100644
--- a/src/teaching/cse-562/2019sp/index.erb
+++ b/src/teaching/cse-562/2019sp/index.erb
@@ -141,7 +141,7 @@ schedule:
     topic: "Optimistic Transaction Control"
     textbook: "Ch. 18.8-18.9"
     due: "Homework 6"
-    materials:
+    materials: 
       slides: "slide/2019-04-03-OCC.html"
   - date: "Apr 5"
     topic: "Logging + ARIES Recovery"