--- a/lib/Tools/makeall	Tue Oct 21 20:17:40 2008 +0200
+++ b/lib/Tools/makeall	Tue Oct 21 20:18:07 2008 +0200
@@ -17,7 +17,7 @@
 function usage()
 {
   echo
-  echo "Usage: $PRG [ARGS ...]"
+  echo "Usage: isabelle $PRG [ARGS ...]"
   echo
   echo "  Apply isabelle make to all logics (passing ARGS)."
   echo