Remove reference to Wolfman and Dracula

index.md

@@ -3,17 +3,14 @@ layout: lesson
 root: .
 ---
 
-Wolfman and Dracula have been hired by Universal Missions (a space
-services spinoff from Euphoric State University) to investigate if it
-is possible to send their next planetary lander to Mars.  They want to
-be able to work on the plans at the same time, but they have run into
-problems doing this in the past.  If they take turns, each one will
-spend a lot of time waiting for the other to finish, but if they work
-on their own copies and email changes back and forth things will be
+Imagine you are working on a coding project with a friend and you both need to work on
+the same files. If you take turns, each of you will
+waste time waiting for the other to finish, but if you work
+on your own copies and email changes back and forth things will be
 lost, overwritten, or duplicated.
 
-A colleague suggests using [version control]({{ page.root }}/reference/#version-control) to
-manage their work. Version control is better than mailing files back and forth:
+A solution is to this problem is to use [version control]({{ page.root }}/reference/#version-control) to
+manage your work. Version control is better than mailing files back and forth:
 
 *   Nothing that is committed to version control is ever lost, unless
     you work really, really hard at it. Since all old versions of