fixed quantifier in usage documenation

Author: holgerbrandl

kscript

@@ -5,7 +5,7 @@ KSCRIPT_VERSION=1.0
 
 ## Show basic CLI description if no arguments are provided
 if [ $# == 0 ]  || [ $1 == "-v" ] || [ $1 == "--version" ] || [ $1 == "-h" ] || [ $1 == "--help" ]; then
-    echo "Usage     : kscript <scriptfile or - for stdin> [<script_args>]+" >&2
+    echo "Usage     : kscript <scriptfile or - for stdin> [<script_args>]*" >&2
     echo "" >&2
     echo "Easy-to-use scripting support for Kotlin on *nix-based systems." >&2
     echo "" >&2