--- a/ProgTutorial/Intro.thy	Wed Jun 20 09:42:18 2012 +0100
+++ b/ProgTutorial/Intro.thy	Thu Jun 21 08:39:02 2012 +0100
@@ -228,7 +228,7 @@
   have to allow some time). You can summit any changes to the testboard using the 
   command
 
-  @{text [display] "$ hg push -f ssh://...@macbroy21.informatik.tu-muenchen.de\\
+  @{text [display] "$ hg push -f ssh://...@hgbroy.informatik.tu-muenchen.de\\
    //home/isabelle-repository/repos/testboard"}
 
   where the dots need to be replaced by your login name.  Note that for