Updates to address comments

README.md

@@ -15,13 +15,14 @@ This is the harmony CLI, a minimal implementation
 The current help text:
 
 ```
-Usage: example-cli [OPTIONS] --run <RUN>
+Usage: example-cli [OPTIONS]
 
 Options:
   -r, --run <RUN>        Name of score to run
   -i, --interactive      Run interactive or not
   -a, --all              Run all or nth
   -n, --number <NUMBER>  Run nth matching, zero indexed [default: 0]
+  -l, --list             list scores, will also be affected by run filter
   -h, --help             Print help
   -V, --version          Print version
 ```