example.md: Line number changed

week1/01-example.md

@@ -64,7 +64,7 @@ This tells us several things:
 - There's a test named `max of a few numbers (10pts)` in the class `ListsSuite` in the package `example`
 - The test failed with an exception: `scala.NotImplementedError: an implementation is missing`. This is followed by a stack trace showing where the exception happened.
 - This exception was thrown from the method `scala.Predef$.???` in the file `Predef.scala` at line 284.
-- This method was called from `example.Lists$.max` in the file `Lists.scala` at line 41.
+- This method was called from `example.Lists$.max` in the file `Lists.scala` at line 40.
 - ... which was itself called from the method `example.ListsSuite.max of a few
   numbers` in the file `ListsSuite.scala` at line 83.
 
@@ -112,7 +112,7 @@ This looks like a regular method except for a few things:
 
 Recall that the second line of the stack trace was:
 ```scala
-at example.Lists$.max(Lists.scala:41)
+at example.Lists$.max(Lists.scala:40)
 ```
 
 This tells us that the crash happened when calling `max`, we can hover with our mouse over the call to `max` in the test method to get more information on it: