Fix bug 376632 - Documentation needed for a few of the JSC arguments

js/rhino/toolsrc/org/mozilla/javascript/tools/resources/Messages.properties

@@ -142,7 +142,7 @@ Valid options are: \n\
 \                       generated class name. When specified, only one script\n\
 \                       SOURCE is allowed. If omitted, it defaults to source\n\
 \                       name with stripped .js suffix.\n\
-\  -package PACKAHGE  Place generated classes in the specified package.\n\
+\  -package PACKAGE   Place generated classes in the specified package.\n\
 \  -d DIRECTORY       Use DIRECTORY as destination directory for generated\n\
 \                       classes. If omitted, it defaults to parent directory\n\
 \                       of SOURCE.\n\
@@ -150,6 +150,9 @@ Valid options are: \n\
 \                       class CLASS.\n\
 \  -implements INTERFACE1,INTERFACE2,... The main generated class will\n\
 \                       implement the specified list of interfaces.\n\
+\  -main-method-class CLASS Specify the class name used for main method \n\
+\                       implementation. The class must have a method matching\n\
+\                       "public static void main(Script sc, String[] args)"\n\
 \  -help, --help, -h  Print this help and exit.\n\