diff -r 58ab885469f5 -r a7ba12e0d3b7 lib/Tools/codegen
--- a/lib/Tools/codegen	Tue Oct 21 20:17:40 2008 +0200
+++ b/lib/Tools/codegen	Tue Oct 21 20:18:07 2008 +0200
@@ -13,7 +13,7 @@
 function usage()
 {
   echo
-  echo "Usage: $PRG IMAGE THY CMD"
+  echo "Usage: isabelle $PRG IMAGE THY CMD"
   echo
   echo "  Issues code generation using image IMAGE,"
   echo "  theory THY,"