--- a/slides/slides03.tex	Fri Nov 23 01:52:37 2018 +0000
+++ b/slides/slides03.tex	Tue Nov 27 21:41:59 2018 +0000
@@ -116,8 +116,8 @@
  def process_ratings(lines: List[String]) = {
     val values = List[(String,String)]()
 
-    for(line <- lines){
-        val splitList = line.split(",").toList
+    for(line <- lines) {
+        val splitList = ...
 
         if(splitList(2).toInt >= 4){
             val userID = splitList(0)
@@ -132,7 +132,7 @@
 \end{lstlisting}
 
 \normalsize
-What does this function always return?
+What does this function (always) return?
 
 
 \end{frame}